{"id":18971,"date":"2025-03-12T20:02:20","date_gmt":"2025-03-12T12:02:20","guid":{"rendered":"https:\/\/www.elepcb.com\/?p=18971"},"modified":"2025-03-13T14:22:10","modified_gmt":"2025-03-13T06:22:10","slug":"qfp-vs-qfn-package","status":"publish","type":"post","link":"https:\/\/www.elepcb.com\/it\/blog\/pcb-knowledge\/qfp-vs-qfn-package\/","title":{"rendered":"Pacchetto QFP vs QFN: Definizioni, processi e applicazioni"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"18971\" class=\"elementor elementor-18971\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-31e6e0c4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"31e6e0c4\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-135835d4\" data-id=\"135835d4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-42f85bba elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"42f85bba\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;],&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__42f85bba\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__42f85bba\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__42f85bba\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<i class=\"elementor-toc__spinner eicon-animation-spin eicon-loading\" aria-hidden=\"true\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-455bf374 elementor-widget elementor-widget-text-editor\" data-id=\"455bf374\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div>\n<div data-page-id=\"ZzVndCoYjoIIzhx50mjcQDcLnue\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div>\n<div data-page-id=\"SKC7dw5mIo9QKNxSgwPcggXAnRh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div>\n<div data-page-id=\"BaAqdv8UmonE8ZxHyouc2xGbn6c\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div class=\"ace-line ace-line old-record-id-Dr1edNdemonXW8xAUfpcwbIBnZf\">\n<div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div class=\"ace-line ace-line old-record-id-GryQdoVdlob1OaxHkpQchJNonUh\">\n<div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div class=\"ace-line ace-line old-record-id-GryQdoVdlob1OaxHkpQchJNonUh\"><strong>Quad Flat No-Lead<\/strong><strong> (<\/strong><strong>QFN<\/strong><strong>)<\/strong> are currently a part of <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-components-sourcing\/\" data-lark-is-custom=\"true\">electronic<\/a>s. It provides high performance in a small package. QFN packages are currently utilized on mass scale in <a href=\"https:\/\/www.elepcb.com\/applications\/\" data-lark-is-custom=\"true\">applications<\/a> from <a href=\"https:\/\/www.elepcb.com\/applications\/pcb-for-consumer-electronics\/\" data-lark-is-custom=\"true\">consumer electronics<\/a> to industrial and <a href=\"https:\/\/www.elepcb.com\/applications\/pcbs-for-automotive\/\" data-lark-is-custom=\"true\">automotive<\/a> applications owing to their superior electrical and <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-thermal-management\/\" data-lark-is-custom=\"true\">thermal<\/a> characteristics.<\/div>\n<div class=\"ace-line ace-line old-record-id-HR0qd3pIVoepxlxyoKccbdMGnbg\">Do you understand the specific <strong>differences of QFN and <\/strong><strong>QFP<\/strong>? In this article, <strong><a href=\"https:\/\/www.elepcb.com\/\" data-lark-is-custom=\"true\">ELEPCB<\/a><\/strong> will discuss the definition of QFN package and QFP package, the difference between QFN and QFP, and some points to consider when <a href=\"https:\/\/www.elepcb.com\/blog\/soldering-defects\/\" data-lark-is-custom=\"true\">soldering<\/a> QFNs well.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4a5e9da3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4a5e9da3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-576758\" data-id=\"576758\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5ccf747c elementor-widget elementor-widget-spacer\" data-id=\"5ccf747c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-746c0d96 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"746c0d96\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6268e9c\" data-id=\"6268e9c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5641b0b9 elementor-widget elementor-widget-heading\" data-id=\"5641b0b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>What is QFN? What is QFP Meaning?<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8ca71d0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8ca71d0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f633837\" data-id=\"f633837\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9f5cc4b elementor-widget elementor-widget-text-editor\" data-id=\"9f5cc4b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-TKYUd8Y2VoQK85xFnpVcrzuCnme\">Both QFP and QFN package are compliant with <span style=\"color: #2ea121;\"><strong>JEDEC MO-220 and EIAJ standards<\/strong><\/span>, and the choice between them is determined by relative electrical performance requirements, thermal budgets, and assembly capability.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-36aba7bc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"36aba7bc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4cb6353c\" data-id=\"4cb6353c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-17d913ec elementor-arrows-position-inside elementor-pagination-position-outside elementor-widget elementor-widget-image-carousel\" data-id=\"17d913ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500}\" data-widget_type=\"image-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-carousel-wrapper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Image Carousel\" dir=\"ltr\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper swiper-image-stretch\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 of 7\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/QFN.jpg\" alt=\"QFN\" \/><figcaption class=\"elementor-image-carousel-caption\">QFN<\/figcaption><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 of 7\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/QFP.jpg\" alt=\"QFP\" \/><figcaption class=\"elementor-image-carousel-caption\">QFP<\/figcaption><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 of 7\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/cerquad-QFP.jpg\" alt=\"cerquad QFP\" \/><figcaption class=\"elementor-image-carousel-caption\">cerquad QFP<\/figcaption><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4 of 7\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/Different-sizes-of-QFN.jpg\" alt=\"Different sizes of QFN\" \/><figcaption class=\"elementor-image-carousel-caption\">Different sizes of QFN<\/figcaption><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"5 of 7\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/FQFP.jpg\" alt=\"FQFP\" \/><figcaption class=\"elementor-image-carousel-caption\">FQFP<\/figcaption><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"6 of 7\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/BQFP.jpg\" alt=\"BQFP\" \/><figcaption class=\"elementor-image-carousel-caption\">BQFP<\/figcaption><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"7 of 7\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/qfn-with-heat-sink.jpg\" alt=\"qfn with heat sink\" \/><figcaption class=\"elementor-image-carousel-caption\">qfn with heat sink<\/figcaption><\/figure><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"eicon-chevron-left\"><\/i>\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"eicon-chevron-right\"><\/i>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8e1b0c4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8e1b0c4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3932065\" data-id=\"3932065\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-214c37f elementor-widget elementor-widget-heading\" data-id=\"214c37f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Quad Flat No-Lead Package<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-54bea32 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"54bea32\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0a855ef\" data-id=\"0a855ef\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3a77b54 elementor-widget elementor-widget-text-editor\" data-id=\"3a77b54\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Vw7GdD6Blo9YtFxGKmDcEhwLnLk\">The <strong>Quad Flat No-Lead<\/strong><strong> (<\/strong><strong>QFN<\/strong><strong>) package<\/strong> is a surface-mount integrated circuit (IC) encapsulation technology that is characterized by its<strong> flat, leadless format<\/strong>. Typically built in square or rectangular formats, QFN packages feature <span style=\"color: #2ea121;\"><strong>an array of conductive contact pads on the bottom<\/strong><\/span> instead of peripheral leads.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-20971db elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"20971db\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c8ef1e5\" data-id=\"c8ef1e5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b7df48b elementor-widget elementor-widget-heading\" data-id=\"b7df48b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Quad Flat Package<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-af847f5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"af847f5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8e2ca44\" data-id=\"8e2ca44\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-49f228d elementor-widget elementor-widget-text-editor\" data-id=\"49f228d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Vw7GdD6Blo9YtFxGKmDcEhwLnLk\"><div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-C7QndbEhboMD24xaDCscE8Zmn9b\">The <strong>Quad Flat Package (QFP) <\/strong>is a surface-mounted IC encapsulation type with gull-wing leads extending from every side of a rectangular package. QFP packages remain prevalent in <strong><a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/pcb-microcontroller-projects-in-pcb-design\/\" data-lark-is-custom=\"true\">microcontroller<\/a><\/strong><strong> units (MCUs), <\/strong><strong><a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/pcb-pga-vs-lga-cpu-socket\/\" data-lark-is-custom=\"true\">FPGA<\/a><\/strong><strong>s, and communication <\/strong><strong>ICs<\/strong> where reasonable I\/O density and rework are more important than extreme miniaturization.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a976019 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a976019\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-29a5cd2\" data-id=\"29a5cd2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4a37c19 elementor-widget elementor-widget-heading\" data-id=\"4a37c19\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>QFN vs QFP<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a51a6c8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a51a6c8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-22c88a5\" data-id=\"22c88a5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d80f1ad elementor-widget elementor-widget-text-editor\" data-id=\"d80f1ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-HE8pdD1z5o6jH7xPx0McEUStniZ\">QFN and QFP are both <strong>quad-flat IC packages<\/strong> but with different <a href=\"https:\/\/www.elepcb.com\/pcb-layout-design-process-and-guidelines\/\" data-lark-is-custom=\"true\">design<\/a> and performance specifications.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-990c878 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"990c878\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b51810c\" data-id=\"b51810c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3062835 elementor-widget elementor-widget-image\" data-id=\"3062835\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"2560\" height=\"1054\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/pcb-flat-pack-scaled.jpg\" class=\"attachment-full size-full wp-image-18982\" alt=\"pcb flat pack\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/pcb-flat-pack-scaled.jpg 2560w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/pcb-flat-pack-300x124.jpg 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/pcb-flat-pack-1024x422.jpg 1024w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/pcb-flat-pack-768x316.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/pcb-flat-pack-1536x633.jpg 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/pcb-flat-pack-2048x843.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3c87e9a5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3c87e9a5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1e4740ff\" data-id=\"1e4740ff\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-c7cad37 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c7cad37\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-505c1ed7\" data-id=\"505c1ed7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-10fd4bc elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"10fd4bc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"ZzVndCoYjoIIzhx50mjcQDcLnue\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h4 style=\"text-align: left;\"><strong>QFN (Quad Flat No-Lead)<\/strong><\/h4><div data-page-id=\"SKC7dw5mIo9QKNxSgwPcggXAnRh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"BaAqdv8UmonE8ZxHyouc2xGbn6c\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"D0D7d0KzCoy2Vvx6MvycmCiBnWc\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-ZWKzdnWbzoOu15xu8Q8chsgbn8b\" data-list=\"bullet\"><div>No leads protruding, contacts are on the bottom.<\/div><\/li><li class=\"ace-line ace-line old-record-id-WvtxdR3pMooo3wxz0GscqkIxnQf\" data-list=\"bullet\"><div>Better <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-thermal-management\/\" data-lark-is-custom=\"true\">thermal management<\/a> with exposed pad.<\/div><\/li><li class=\"ace-line ace-line old-record-id-UM9gdDHiJoU23dx65Vdczz5bn8d\" data-list=\"bullet\"><div>Less parasitic effects, hence very ideal for high-speed applications.<\/div><\/li><li class=\"ace-line ace-line old-record-id-TNegdGDm3o0LYExFDYDcTXCln1c\" data-list=\"bullet\"><div>Requires careful PCB assembly and soldering processes.<\/div><\/li><\/ul><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-8390e1c\" data-id=\"8390e1c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fe442db elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"fe442db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"ZzVndCoYjoIIzhx50mjcQDcLnue\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h4 style=\"text-align: left;\"><strong>QFP (Quad Flat Package)<\/strong><\/h4><div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-E0x9dnNqxoT268xJNqYcRwrZn5b\" data-list=\"bullet\"><div>Has gull-wing leads which extend outward from the package.<\/div><\/li><li class=\"ace-line ace-line old-record-id-DQefdQ54xo2KN7xzwsZc1rkQn3w\" data-list=\"bullet\"><div><strong>Easier to <\/strong><strong><a href=\"https:\/\/www.elepcb.com\/blog\/pcb-inspection\/\" data-lark-is-custom=\"true\">inspect<\/a><\/strong><strong> and more convenient to rework<\/strong> due to exposed leads.<\/div><\/li><li class=\"ace-line ace-line old-record-id-EUludJu3xoDbwRxhTwwc7mxdnXc\" data-list=\"bullet\"><div>Medium thermal performance since the heat dissipation is primarily carried out by leads.<\/div><\/li><li class=\"ace-line ace-line old-record-id-T7dSdyXYMo0uM8xaWlDczEBZnDg\" data-list=\"bullet\"><div><strong>Very small footprint<\/strong> relative to QFN for the same number of pins.<\/div><\/li><\/ul><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5c758f92 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5c758f92\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-62ff1643\" data-id=\"62ff1643\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-14178e94 elementor-widget elementor-widget-accordion\" data-id=\"14178e94\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-3371\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-3371\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-caret-square-down\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"far fa-caret-square-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Table 1 QFN vs QFP<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-3371\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-3371\"><table style=\"border-collapse: collapse;\"><colgroup><col width=\"161\" \/><col width=\"213\" \/><col width=\"409\" \/><\/colgroup><tbody><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Dimension<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">QFP<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">QFN<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Pin Form<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Gull-wing type pins<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Pin-less, bottom pads<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Package Volume<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Larger<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Smaller<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Number of Pins<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">More<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Fewer<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Heat Dissipation Performance<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">General<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Good, with a large area exposed pad at the bottom<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Electrical Performance<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Good<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Excellent, short pin paths reduce inductance and resistance<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Manufacturing Process<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Mature and cost-effective<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Fully automated production, suitable for high &#8211; density PCB layout<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Application<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Widely used in various electronic devices<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Consumer electronics, automotive electronics, industry and communications, medical devices, etc.<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Solder Joint Inspection<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Intuitive and easy to detect<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Pins are not visible, relying on 3D X-Ray or infrared thermal imaging<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Efficiency<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Lower<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Higher<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Cost<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Lower<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: left;\">Higher<\/td><\/tr><\/tbody><\/table><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-91518f0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"91518f0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3b5ee74\" data-id=\"3b5ee74\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ab6b1de elementor-widget elementor-widget-spacer\" data-id=\"ab6b1de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-bec8847 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bec8847\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a6af8ac\" data-id=\"a6af8ac\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1b215e0 elementor-widget elementor-widget-heading\" data-id=\"1b215e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>What is QFN Soldering?<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5ab7b52 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5ab7b52\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f949721\" data-id=\"f949721\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-28ef965 elementor-widget elementor-widget-text-editor\" data-id=\"28ef965\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-GcxWdV8TSomNCQxNWMzcDps6nlc\">Soldering QFN packages demands accuracy because of their leadless nature. Careful PCB layout, <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-stencil-smt-assembly\/\" data-lark-is-custom=\"true\">stencil design<\/a>, and reflow profiles are necessary for a good connection.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1f955f9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1f955f9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a4df212\" data-id=\"a4df212\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ebe42bc elementor-widget elementor-widget-heading\" data-id=\"ebe42bc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Major Challenges in QFN Soldering<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e9c59bb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e9c59bb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7a5d232\" data-id=\"7a5d232\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7ba5327 elementor-widget elementor-widget-image\" data-id=\"7ba5327\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"389\" height=\"169\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/qfn-package-soldering.jpg\" class=\"attachment-large size-large wp-image-18977\" alt=\"qfn package soldering\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/qfn-package-soldering.jpg 389w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/03\/qfn-package-soldering-300x130.jpg 300w\" sizes=\"(max-width: 389px) 100vw, 389px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-149ab6a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"149ab6a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a214b2b\" data-id=\"a214b2b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c83c6e9 elementor-widget elementor-widget-text-editor\" data-id=\"c83c6e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span data-lark-record-data=\"{&quot;isCut&quot;:false,&quot;rootId&quot;:&quot;SkJrdhz9ZoQFBhx3uu7cJ27Vnth&quot;,&quot;parentId&quot;:&quot;SkJrdhz9ZoQFBhx3uu7cJ27Vnth&quot;,&quot;blockIds&quot;:[47,48,49,50],&quot;recordIds&quot;:[&quot;YpEcdIknoo6ZxVxjoOkcAY5Mnrb&quot;,&quot;U3XWdmGVuod2psxQyhvc08Mtnid&quot;,&quot;JpZGdVXWPoyXvIxzfFhcBZaVnAe&quot;,&quot;SCPEdk8nZos7W0xExrncCeHfn3d&quot;],&quot;recordMap&quot;:{&quot;YpEcdIknoo6ZxVxjoOkcAY5Mnrb&quot;:{&quot;id&quot;:&quot;YpEcdIknoo6ZxVxjoOkcAY5Mnrb&quot;,&quot;snapshot&quot;:{&quot;type&quot;:&quot;bullet&quot;,&quot;parent_id&quot;:&quot;SkJrdhz9ZoQFBhx3uu7cJ27Vnth&quot;,&quot;comments&quot;:[],&quot;revisions&quot;:[],&quot;locked&quot;:false,&quot;hidden&quot;:false,&quot;author&quot;:&quot;7423575385186172931&quot;,&quot;children&quot;:[],&quot;text&quot;:{&quot;initialAttributedTexts&quot;:{&quot;text&quot;:{&quot;0&quot;:&quot;Alignment Issues: Misalignment may result in inferior electrical contact.&quot;},&quot;attribs&quot;:{&quot;0&quot;:&quot;*1*0+h*1+1k&quot;}},&quot;apool&quot;:{&quot;numToAttrib&quot;:{&quot;0&quot;:[&quot;bold&quot;,&quot;true&quot;],&quot;1&quot;:[&quot;author&quot;,&quot;7423575385186172931&quot;]},&quot;nextNum&quot;:2}},&quot;align&quot;:&quot;&quot;,&quot;folded&quot;:false}},&quot;U3XWdmGVuod2psxQyhvc08Mtnid&quot;:{&quot;id&quot;:&quot;U3XWdmGVuod2psxQyhvc08Mtnid&quot;,&quot;snapshot&quot;:{&quot;type&quot;:&quot;bullet&quot;,&quot;parent_id&quot;:&quot;SkJrdhz9ZoQFBhx3uu7cJ27Vnth&quot;,&quot;comments&quot;:[],&quot;revisions&quot;:[],&quot;locked&quot;:false,&quot;hidden&quot;:false,&quot;author&quot;:&quot;7423575385186172931&quot;,&quot;children&quot;:[],&quot;text&quot;:{&quot;apool&quot;:{&quot;numToAttrib&quot;:{&quot;0&quot;:[&quot;author&quot;,&quot;7423575385186172931&quot;],&quot;1&quot;:[&quot;bold&quot;,&quot;true&quot;],&quot;2&quot;:[&quot;link&quot;,&quot;https%3A%2F%2Fwww.elepcb.com%2Fblog%2Fpcb-short-circuit%2F&quot;]},&quot;nextNum&quot;:3,&quot;attribToNum&quot;:{&quot;author,7423575385186172931&quot;:0,&quot;bold,true&quot;:1,&quot;link,https%3A%2F%2Fwww.elepcb.com%2Fblog%2Fpcb-short-circuit%2F&quot;:2}},&quot;initialAttributedTexts&quot;:{&quot;text&quot;:{&quot;0&quot;:&quot;Solder Bridging: Solder paste excess can lead to short circuits.&quot;},&quot;attribs&quot;:{&quot;0&quot;:&quot;*0*1+g*0+x*0*2+e*0+1&quot;},&quot;rows&quot;:{},&quot;cols&quot;:{}}},&quot;align&quot;:&quot;&quot;,&quot;folded&quot;:false}},&quot;JpZGdVXWPoyXvIxzfFhcBZaVnAe&quot;:{&quot;id&quot;:&quot;JpZGdVXWPoyXvIxzfFhcBZaVnAe&quot;,&quot;snapshot&quot;:{&quot;type&quot;:&quot;bullet&quot;,&quot;parent_id&quot;:&quot;SkJrdhz9ZoQFBhx3uu7cJ27Vnth&quot;,&quot;comments&quot;:[],&quot;revisions&quot;:[],&quot;locked&quot;:false,&quot;hidden&quot;:false,&quot;author&quot;:&quot;7423575385186172931&quot;,&quot;children&quot;:[],&quot;text&quot;:{&quot;apool&quot;:{&quot;numToAttrib&quot;:{&quot;0&quot;:[&quot;author&quot;,&quot;7423575385186172931&quot;],&quot;1&quot;:[&quot;bold&quot;,&quot;true&quot;]},&quot;nextNum&quot;:2,&quot;attribToNum&quot;:{&quot;author,7423575385186172931&quot;:0,&quot;bold,true&quot;:1}},&quot;initialAttributedTexts&quot;:{&quot;text&quot;:{&quot;0&quot;:&quot;Void Formation: Air traps in the solder joint can reduce thermal and electrical performance.&quot;},&quot;attribs&quot;:{&quot;0&quot;:&quot;*0*1+f*0+25&quot;},&quot;rows&quot;:{},&quot;cols&quot;:{}}},&quot;align&quot;:&quot;&quot;,&quot;folded&quot;:false}},&quot;SCPEdk8nZos7W0xExrncCeHfn3d&quot;:{&quot;id&quot;:&quot;SCPEdk8nZos7W0xExrncCeHfn3d&quot;,&quot;snapshot&quot;:{&quot;type&quot;:&quot;bullet&quot;,&quot;parent_id&quot;:&quot;SkJrdhz9ZoQFBhx3uu7cJ27Vnth&quot;,&quot;comments&quot;:[],&quot;revisions&quot;:[],&quot;locked&quot;:false,&quot;hidden&quot;:false,&quot;author&quot;:&quot;7423575385186172931&quot;,&quot;children&quot;:[],&quot;text&quot;:{&quot;initialAttributedTexts&quot;:{&quot;text&quot;:{&quot;0&quot;:&quot;Inspection Challenges: The absence of apparent leads provides greater difficulty in visually inspecting connections.&quot;},&quot;attribs&quot;:{&quot;0&quot;:&quot;*1*0+m*1+v*1*0*2+r*1+10&quot;}},&quot;apool&quot;:{&quot;numToAttrib&quot;:{&quot;0&quot;:[&quot;bold&quot;,&quot;true&quot;],&quot;1&quot;:[&quot;author&quot;,&quot;7423575385186172931&quot;],&quot;2&quot;:[&quot;textHighlight&quot;,&quot;rgb(216,57,49)&quot;]},&quot;nextNum&quot;:3}},&quot;align&quot;:&quot;&quot;,&quot;folded&quot;:false}},&quot;SkJrdhz9ZoQFBhx3uu7cJ27Vnth&quot;:{&quot;id&quot;:&quot;SkJrdhz9ZoQFBhx3uu7cJ27Vnth&quot;,&quot;snapshot&quot;:{&quot;type&quot;:&quot;page&quot;,&quot;parent_id&quot;:&quot;&quot;,&quot;comments&quot;:null,&quot;revisions&quot;:null,&quot;locked&quot;:false,&quot;hidden&quot;:false,&quot;author&quot;:&quot;7423575385186172931&quot;,&quot;children&quot;:[&quot;XkitdmYcuoktZJxM9fnclxebnJe&quot;,&quot;Mj3YdIsmnogDZCxViyKcnMpOnOc&quot;,&quot;A7yMd8R2soxZ6qxeXcIcEIDtnIe&quot;,&quot;GIoRdHjC1o2gynxPptXcUUjsnod&quot;,&quot;OAQgdgLVnodzfkx9qwBcjlHpnuc&quot;,&quot;M6ztdiLfXowqOHx24dKcPV33nbe&quot;,&quot;HjBsdCwdnosp2vxO4U0ctGzRnjf&quot;,&quot;DAvEd1FP4oSP94xcn05c2MScnYd&quot;,&quot;XyrMdDXysoEYFlxqkGVcezxTnSd&quot;,&quot;JIsvdHI16ohA44xb3hRc8mYjnWd&quot;,&quot;AMrTd78fCoqhXPxqLLMcue6knRe&quot;,&quot;WQK6dMRGsomQb4xJIlecPPxSndf&quot;,&quot;PaBudgz9NoB3kgxVAvocpGn6nB5&quot;,&quot;GC6odL5PSonuclxypEWcfxNYnrJ&quot;,&quot;W2xUdOc1NoplvmxyIzLcaLG7nFb&quot;,&quot;DnUndV1vgoalXax87rFcwYjzndc&quot;,&quot;CTzkdxojko63ZGxH468cIKNLnJg&quot;,&quot;KQCDdzdLgo0N90xlTG9cBBIKnAe&quot;,&quot;GTo7dopnCopnUUxvzZGcsGr8nwf&quot;,&quot;I9isdnWZtoz3cYxCjsncvoP6neg&quot;,&quot;GryQdoVdlob1OaxHkpQchJNonUh&quot;,&quot;HR0qd3pIVoepxlxyoKccbdMGnbg&quot;,&quot;Gf1CdRq57oAWxgxGjJ5ckesanPf&quot;,&quot;TKYUd8Y2VoQK85xFnpVcrzuCnme&quot;,&quot;GlELdehflosylYxbTsccVob0nBx&quot;,&quot;Vw7GdD6Blo9YtFxGKmDcEhwLnLk&quot;,&quot;MPXwd9GeAoDd2Axy8mYcbtuAnMf&quot;,&quot;C7QndbEhboMD24xaDCscE8Zmn9b&quot;,&quot;KkJcdTdrQoLFBdxiydocb1S5nOh&quot;,&quot;HE8pdD1z5o6jH7xPx0McEUStniZ&quot;,&quot;Y3X1dt6OfoQtQ4xYZNvch50InGe&quot;,&quot;HUFTdTXODoA1UjxSI6xcVH4fnXd&quot;,&quot;ZWKzdnWbzoOu15xu8Q8chsgbn8b&quot;,&quot;WvtxdR3pMooo3wxz0GscqkIxnQf&quot;,&quot;UM9gdDHiJoU23dx65Vdczz5bn8d&quot;,&quot;TNegdGDm3o0LYExFDYDcTXCln1c&quot;,&quot;CTUNdCgR0o3yBZxIKkPcJrCanVf&quot;,&quot;E0x9dnNqxoT268xJNqYcRwrZn5b&quot;,&quot;DQefdQ54xo2KN7xzwsZc1rkQn3w&quot;,&quot;EUludJu3xoDbwRxhTwwc7mxdnXc&quot;,&quot;T7dSdyXYMo0uM8xaWlDczEBZnDg&quot;,&quot;T8MidD6KzoKraCxVWkIcF2UHnne&quot;,&quot;GkvGd5X9EowNeUx9yy8cLG9lnTc&quot;,&quot;K2bhd2waSo7sQtxvmZJcrguHno8&quot;,&quot;GcxWdV8TSomNCQxNWMzcDps6nlc&quot;,&quot;MWZPdHoJqoeg24xMGtncX902nug&quot;,&quot;YpEcdIknoo6ZxVxjoOkcAY5Mnrb&quot;,&quot;U3XWdmGVuod2psxQyhvc08Mtnid&quot;,&quot;JpZGdVXWPoyXvIxzfFhcBZaVnAe&quot;,&quot;SCPEdk8nZos7W0xExrncCeHfn3d&quot;,&quot;T1Tad4GTvoOkrbxkJ9jcWZzCnzd&quot;,&quot;NSMDdGx38ohNaixySadcEU3CnIc&quot;,&quot;Ch7zdcd94oL5pyxZRaacjgNunkh&quot;,&quot;JL2fd3tRsoUbuaxPiYlcVN8TnTX&quot;,&quot;DkBJdgJvxoWIEMxd8aKcL2prnEd&quot;,&quot;NGUNd2ZkvorlPbxUvkCc077QnUc&quot;,&quot;Ghu3dLJjDo4nCsxIRnicDdyBnIf&quot;,&quot;XtocdwBZloFtv0xO6RDcD4rYnhf&quot;,&quot;RiNydBdiiogcqox8u4Icdmyqn2f&quot;,&quot;Gw1Bd9eHQofsorxITY5cdKBunWg&quot;,&quot;QmoVdYWNpoqvB6xCg7ecg0flnth&quot;,&quot;Z3n0d3Rkio0gPexnIyhcXXQ0nld&quot;,&quot;OQHDdqSckoKeLKxIQEOc567Gn56&quot;,&quot;ZL3MdiYeSoTqOox2MpJcQSjbnVe&quot;,&quot;TwrNdGmD4on2rux0KkdcUkuun7d&quot;,&quot;OAKpdPQ0HoRkjYxjqgHcPoHNn6d&quot;,&quot;MP5edB44EoVNOuxPcq8cbrIsn2c&quot;,&quot;VHpJdn9cVo6TeCxtivkcHhNPn8e&quot;,&quot;HyKddLu9HoYeFaxTW3tcyuHGnoh&quot;,&quot;WPvpdkrhAouvRixfCIEcXM2unUp&quot;,&quot;BQbNdU1GTolgQRxD6ufcTybGnhf&quot;,&quot;GoRLdPodRoF6qCxRfvNcV6u1nge&quot;,&quot;LHjJdxF2Hod2HjxYtkWcit35ntg&quot;,&quot;A4Agdb5m0oRS2pxJjVzcPa2TnV2&quot;,&quot;UtzddVUgsov1KNxsho7cpikynEb&quot;,&quot;PZxOdnNXTov32px9pb6chqPcndd&quot;,&quot;TuI8dV4HNoNGuSxIQxIc1bhXnXd&quot;,&quot;IeRodumiBoNcHWxfYlzcRwy4nse&quot;,&quot;AHQgdnGn8okSUyxmMDscNFAfnXc&quot;,&quot;FqFtdksJtoApt5xeCt8cYBIznSe&quot;,&quot;G5GDdIoNXo2w40xprT4cGJcFnxe&quot;,&quot;Gh1vdusM1oe4Qix4UGNcObEcncb&quot;,&quot;QSABdCJiOoPsoTxiVu3cmWjnnCe&quot;,&quot;AOBIdKgamog1h3xIbJSciJbPn8d&quot;,&quot;KyRKd27ijo6PoUxM53ecO6hwndb&quot;,&quot;YOQJdVpQToSgjgxA0pycBQ3pn2f&quot;,&quot;Rsh0d4sMmoUWIIxsNlNc0hoonOg&quot;,&quot;IADwdoAxeojzatx0AnicGhdWnbd&quot;,&quot;H08FdDQxCoMQlfxGnpec1vLgnkf&quot;,&quot;JMeadeS7NoNyM0xtPAmcoS0AnFf&quot;,&quot;DNAQd0cCMokvr5xoU2Xcg5HinVO&quot;,&quot;KXq1dBc1Jok3KNxmKkycoM6GnAc&quot;,&quot;GW9ud6d5soE3cPxfGjWcMnBvnfc&quot;,&quot;UXyjdy9dio67r8xvSZUcrIk2nZ5&quot;,&quot;YERzdIXV1ot4PcxVN4dc53ognQ3&quot;,&quot;HvTzd3Ue0oGov1xNOIwc2kNhn1d&quot;,&quot;PEKldDPyeoheBrxCJNAc8OBWnsc&quot;,&quot;IieudHmayooMM1xfzvPcSJYGnLe&quot;,&quot;DMWAda1X2oOYHBxbFnFcDctznXI&quot;,&quot;JDtIdQdg3oY1LFxSVilc07Blnsc&quot;,&quot;HKcjduAJHo53HtxkxbXc83whnnd&quot;,&quot;FiBvdJEh3oNWbVx09tScn9BKnHg&quot;,&quot;BAZSdZY42oKSmVxHCf3ccLaynue&quot;,&quot;HSEFd1Cexoc9aVxaTMpcYTX2nuc&quot;,&quot;CB8tdKwPlozg1GxBzGFciVHEnjf&quot;,&quot;KabzdO2lNoucWqx1TGCcVMSunw1&quot;,&quot;GSbHdbXLLo3kS6xBylqcFE4MnQc&quot;,&quot;QbBjddT6zosyaDxsmWkcOIdonse&quot;,&quot;IP57dHPReonJNtx0OERcDB6fnOd&quot;,&quot;BnbFdBaLXoF5ROxSY6jcdUVincc&quot;,&quot;YMNQdaw6Jo4OOhxt521cvLTSnNg&quot;,&quot;OVIkdZVjKoJnUIxGaUdcg9OCnJf&quot;],&quot;text&quot;:{&quot;apool&quot;:{&quot;numToAttrib&quot;:{&quot;0&quot;:[&quot;author&quot;,&quot;7423575385186172931&quot;]},&quot;nextNum&quot;:1,&quot;attribToNum&quot;:{&quot;author,7423575385186172931&quot;:0}},&quot;initialAttributedTexts&quot;:{&quot;text&quot;:{&quot;0&quot;:&quot;QFP vs QFN Package: Definitions, Processes and Applications&quot;},&quot;attribs&quot;:{&quot;0&quot;:&quot;*0+1n&quot;},&quot;rows&quot;:{},&quot;cols&quot;:{}}},&quot;align&quot;:&quot;&quot;,&quot;doc_info&quot;:{&quot;editors&quot;:[&quot;7423575385186172931&quot;],&quot;options&quot;:[&quot;editors&quot;,&quot;edit_time&quot;],&quot;deleted_editors&quot;:null,&quot;option_modified&quot;:null}}}},&quot;payloadMap&quot;:{},&quot;extra&quot;:{&quot;channel&quot;:&quot;saas&quot;,&quot;pasteRandomId&quot;:&quot;377f6178-8a2b-4e64-9a0d-9adf35bab602&quot;,&quot;mention_page_title&quot;:{},&quot;external_mention_url&quot;:{},&quot;isEqualBlockSelection&quot;:true},&quot;isKeepQuoteContainer&quot;:false,&quot;selection&quot;:[{&quot;id&quot;:47,&quot;type&quot;:&quot;text&quot;,&quot;selection&quot;:{&quot;start&quot;:0,&quot;end&quot;:73},&quot;recordId&quot;:&quot;YpEcdIknoo6ZxVxjoOkcAY5Mnrb&quot;},{&quot;id&quot;:48,&quot;type&quot;:&quot;text&quot;,&quot;selection&quot;:{&quot;start&quot;:0,&quot;end&quot;:64},&quot;recordId&quot;:&quot;U3XWdmGVuod2psxQyhvc08Mtnid&quot;},{&quot;id&quot;:49,&quot;type&quot;:&quot;text&quot;,&quot;selection&quot;:{&quot;start&quot;:0,&quot;end&quot;:92},&quot;recordId&quot;:&quot;JpZGdVXWPoyXvIxzfFhcBZaVnAe&quot;},{&quot;id&quot;:50,&quot;type&quot;:&quot;text&quot;,&quot;selection&quot;:{&quot;start&quot;:0,&quot;end&quot;:116},&quot;recordId&quot;:&quot;SCPEdk8nZos7W0xExrncCeHfn3d&quot;}],&quot;pasteFlag&quot;:&quot;b4df5957-b34a-42fc-acb3-b3ecdf453d6b&quot;}\" data-lark-record-format=\"docx\/record\" class=\"lark-record-clipboard\"><\/span><\/p><div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul start=\"1\" class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-YpEcdIknoo6ZxVxjoOkcAY5Mnrb\" data-list=\"bullet\"><div><strong>Alignment Issues:<\/strong> Misalignment may result in inferior electrical contact.<\/div><\/li><li class=\"ace-line ace-line old-record-id-U3XWdmGVuod2psxQyhvc08Mtnid\" data-list=\"bullet\"><div><strong>Solder <\/strong><strong>Bridging<\/strong><strong>:<\/strong> Solder paste excess can lead to <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-short-circuit\/\" data-lark-is-custom=\"true\">short circuits<\/a>.<\/div><\/li><li class=\"ace-line ace-line old-record-id-JpZGdVXWPoyXvIxzfFhcBZaVnAe\" data-list=\"bullet\"><div><strong>Void Formation:<\/strong> Air traps in the solder joint can reduce thermal and electrical performance.<\/div><\/li><li class=\"ace-line ace-line old-record-id-SCPEdk8nZos7W0xExrncCeHfn3d\" data-list=\"bullet\"><div><strong>Inspection Challenges:<\/strong> The absence of apparent leads <span style=\"color:rgb(216,57,49)\"><strong>provides greater difficulty<\/strong><\/span> in visually inspecting connections.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3d2338b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3d2338b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-650617e\" data-id=\"650617e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5625961 elementor-widget elementor-widget-heading\" data-id=\"5625961\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Best Practices <\/b><br><b>for QFN Soldering and QFP Soldering<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-20456bc2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"20456bc2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-705ae7a\" data-id=\"705ae7a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-415fb4fd elementor-widget elementor-widget-text-editor\" data-id=\"415fb4fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-NSMDdGx38ohNaixySadcEU3CnIc\"><strong>Step 1: Thermal pad and heat sink design<\/strong><\/h3><h4 class=\"heading-4 ace-line old-record-id-Ch7zdcd94oL5pyxZRaacjgNunkh\">QFN pads (IPC-7351 standard)<\/h4><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-JL2fd3tRsoUbuaxPiYlcVN8TnTX\" data-list=\"bullet\"><div><strong>EPAD pad: <\/strong>Chip size match (tolerance \u00b10.1 mm).<\/div><\/li><li class=\"ace-line ace-line old-record-id-DkBJdgJvxoWIEMxd8aKcL2prnEd\" data-list=\"bullet\"><div><strong>Peripheral<\/strong><strong> pads:<\/strong> width = pin width \u00d7 1.1, length = pin length + 0.2 mm.<\/div><\/li><\/ul><h4 class=\"heading-4 ace-line old-record-id-NGUNd2ZkvorlPbxUvkCc077QnUc\">QFP pads:<\/h4><div class=\"ace-line ace-line old-record-id-Ghu3dLJjDo4nCsxIRnicDdyBnIf\">Adopt trapezoidal design in order to<strong> maximize the use of the pin self-alignment capability<\/strong>.<\/div><h4 class=\"heading-4 ace-line old-record-id-XtocdwBZloFtv0xO6RDcD4rYnhf\">Essentials<\/h4><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-RiNydBdiiogcqox8u4Icdmyqn2f\" data-list=\"bullet\"><div><strong><a href=\"https:\/\/www.elepcb.com\/blog\/what-is-through-hole-pcb\/\" data-lark-is-custom=\"true\">Through-hole<\/a><\/strong><strong> array: <\/strong>3 x 3 matrix of through-holes (0.3 mm hole size, conductive epoxy fill) is located below the EPAD.<\/div><\/li><li class=\"ace-line ace-line old-record-id-Gw1Bd9eHQofsorxITY5cdKBunWg\" data-list=\"bullet\"><div><strong><a href=\"https:\/\/www.elepcb.com\/blog\/pcb-copper-thickness\/\" data-lark-is-custom=\"true\">Copper thickness<\/a><\/strong><strong> requirement:<\/strong> \u2265 2 oz (70 \u03bcm) to improve heat dissipation.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-57f4027 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"57f4027\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9ea9b99\" data-id=\"9ea9b99\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-018a5b9 elementor-widget elementor-widget-text-editor\" data-id=\"018a5b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>Step 2: Solder Resist Layer Layout and Screen Printing<\/strong><\/h3><div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-Z3n0d3Rkio0gPexnIyhcXXQ0nld\" data-list=\"bullet\"><div><strong>Solder Resist Window:<\/strong> 0.05 mm bigger than the pad (so as to prevent solder paste creeping up).<\/div><\/li><li class=\"ace-line ace-line old-record-id-OQHDdqSckoKeLKxIQEOc567Gn56\" data-list=\"bullet\"><div><strong><a href=\"https:\/\/www.elepcb.com\/blog\/silkscreen-pcb-labeling\/\" data-lark-is-custom=\"true\">Silk-screen<\/a><\/strong><strong> marking:<\/strong> Mark the location of pin 1 prominently so that it will not be covered.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c894e9e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c894e9e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-000b329\" data-id=\"000b329\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bc3b24e elementor-widget elementor-widget-text-editor\" data-id=\"bc3b24e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>Step 3: Choose the Right Material<\/strong><\/h3><div style=\"font-size: medium;\" data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"true\"><div data-type=\"sheet\"><table><colgroup><col width=\"172\" \/><col width=\"261\" \/><col width=\"292\" \/><\/colgroup><tbody><tr><td style=\"white-space-collapse: preserve; border-width: 0.5pt; border-color: #b1b7c0 #b1b7c0 #dee0e3; font-size: 14pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Application<\/td><td style=\"white-space-collapse: preserve; border-width: 0.5pt; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 14pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Material<\/td><td style=\"white-space-collapse: preserve; border-width: 0.5pt; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 14pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Benefits<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-width: 0.5pt; border-color: #b1b7c0 #b1b7c0 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">High-Frequency<\/td><td style=\"white-space-collapse: preserve; border-width: 0.5pt; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">FR4 Tg170<\/td><td style=\"white-space-collapse: preserve; border-width: 0.5pt; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">Cost-effective, stable<\/td><\/tr><tr><td style=\"white-space-collapse: preserve; border-width: 0.5pt; border-color: #b1b7c0 #b1b7c0 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">High-Power<\/td><td style=\"white-space-collapse: preserve; border-width: 0.5pt; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">High-thermal-conductivity<br \/>(e.g., Rogers 4350B)<\/td><td style=\"white-space-collapse: preserve; border-width: 0.5pt; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; font-size: 11pt; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">Low Rthja, better heat spreading<\/td><\/tr><\/tbody><\/table><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ccc9dc8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ccc9dc8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-05b5cdf\" data-id=\"05b5cdf\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d121ae3 elementor-widget elementor-widget-text-editor\" data-id=\"d121ae3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>Step 4: Stencil Design and Solder Paste<\/strong><\/h3><div style=\"color: #000000; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\" data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"true\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-MP5edB44EoVNOuxPcq8cbrIsn2c\" data-list=\"bullet\"><div><strong>Squeegee pressure:<\/strong> 45 N (too much pressure can <span style=\"color: #d83931;\"><strong>cause solder paste to collapse<\/strong><\/span>).<\/div><\/li><li class=\"ace-line ace-line old-record-id-VHpJdn9cVo6TeCxtivkcHhNPn8e\" data-list=\"bullet\"><div><strong>Printing speed: <\/strong>20 mm\/s (<span style=\"color: #d83931;\"><strong>too high speed may cause less tin<\/strong><\/span>).<\/div><\/li><li class=\"ace-line ace-line old-record-id-HyKddLu9HoYeFaxTW3tcyuHGnoh\" data-list=\"bullet\"><div><strong>Area ratio:<\/strong> \u2265 0.66 (area ratio = open area\/stencil thickness).<\/div><\/li><\/ul><div class=\" old-record-id-BQbNdU1GTolgQRxD6ufcTybGnhf\" data-type=\"sheet\"><table style=\"border-collapse: collapse;\"><colgroup> <col width=\"139\" \/> <col width=\"191\" \/><\/colgroup><tbody><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Pitch<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Stencil Thickness<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">0.4 mm QFN<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">0.1\u20130.12 mm<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">0.5 mm QFP<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">0.12\u20130.15 mm<\/td><\/tr><\/tbody><\/table><\/div><div class=\" old-record-id-LHjJdxF2Hod2HjxYtkWcit35ntg\" data-type=\"sheet\"><table style=\"border-collapse: collapse;\"><colgroup> <col width=\"113\" \/> <col width=\"152\" \/> <col width=\"341\" \/><\/colgroup><tbody><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Alloy<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Melting Range<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Use Case<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">SAC305<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">217\u2013220\u00b0C<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">Lead-free, high-reliability<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">Sn63Pb37<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">183\u00b0C<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">Cost-sensitive, easier rework<\/td><\/tr><\/tbody><\/table><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-bf4e250 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bf4e250\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d6bbe3b\" data-id=\"d6bbe3b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7bcdc02 elementor-widget elementor-widget-text-editor\" data-id=\"7bcdc02\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>Step 5: Masking Process Control<\/strong><\/h3><div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h4 class=\"heading-4 ace-line old-record-id-UtzddVUgsov1KNxsho7cpikynEb\">Nozzle selection<\/h4><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-PZxOdnNXTov32px9pb6chqPcndd\" data-list=\"bullet\"><div><strong>0402 components: <\/strong>Use <span style=\"color: #2ea121;\"><strong>0.3 mm<\/strong><\/span> nozzle (vacuum \u2265 70 kPa).<\/div><\/li><li class=\"ace-line ace-line old-record-id-TuI8dV4HNoNGuSxIQxIc1bhXnXd\" data-list=\"bullet\"><div><strong>0.4 mm pitch <\/strong><strong>QFN<\/strong><strong>: <\/strong>Use<span style=\"color: #2ea121;\"><strong> 0.25 mm<\/strong><\/span> nozzle with vision alignment system.<\/div><\/li><\/ul><h4 class=\"heading-4 ace-line old-record-id-IeRodumiBoNcHWxfYlzcRwy4nse\">Mounting accuracy requirements<\/h4><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-AHQgdnGn8okSUyxmMDscNFAfnXc\" data-list=\"bullet\"><div><strong>Position deviation:<\/strong> <span style=\"color: #2ea121;\"><strong>\u00b125 \u03bcm<\/strong><\/span> (for <span style=\"color: #2ea121;\"><strong>0.4 mm<\/strong><\/span> pitch QFNs).<\/div><\/li><li class=\"ace-line ace-line old-record-id-FqFtdksJtoApt5xeCt8cYBIznSe\" data-list=\"bullet\"><div><strong>Alignment reference:<\/strong> <span style=\"color: #2ea121;\"><strong>25 \u03bcm<\/strong><\/span> precision optical alignment mark is used.<\/div><\/li><\/ul><h4 class=\"heading-4 ace-line old-record-id-G5GDdIoNXo2w40xprT4cGJcFnxe\">Anti-oxidation treatment<\/h4><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-Gh1vdusM1oe4Qix4UGNcObEcncb\" data-list=\"bullet\"><div><strong>Nitrogen protection: <\/strong>Oxygen level in the monitor<span style=\"color: #2ea121;\"><strong> &lt;100 <\/strong><\/span><span style=\"color: #2ea121;\"><strong>ppm<\/strong><\/span> (measured value to be calibrated periodically).<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7297425 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7297425\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-24943ee\" data-id=\"24943ee\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-986f879 elementor-widget elementor-widget-text-editor\" data-id=\"986f879\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>Step 6: Reflow Soldering<\/strong><\/h3><div style=\"color: #000000; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\" data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"true\"><h4 class=\"heading-4 ace-line old-record-id-AOBIdKgamog1h3xIbJSciJbPn8d\">Typical defects are handled:<\/h4><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-KyRKd27ijo6PoUxM53ecO6hwndb\" data-list=\"bullet\"><div><strong>Tombstone effect:<\/strong> Check pad symmetry and ensure temperature uniformity.<\/div><\/li><li class=\"ace-line ace-line old-record-id-YOQJdVpQToSgjgxA0pycBQ3pn2f\" data-list=\"bullet\"><div><strong>Voids:<\/strong> Increase the amount of solder paste or optimize the nitrogen environment (<span style=\"color: #2ea121;\"><strong>O\u2082&lt;500 <\/strong><\/span><span style=\"color: #2ea121;\"><strong>ppm<\/strong><\/span>).<\/div><\/li><\/ul><div class=\"ace-line ace-line old-record-id-Rsh0d4sMmoUWIIxsNlNc0hoonOg\"><strong>Temperature profile <\/strong><strong>optimization<\/strong><strong> (Sn63Pb37 alloy)<\/strong><\/div><div class=\" old-record-id-IADwdoAxeojzatx0AnicGhdWnbd\" data-type=\"sheet\"><table style=\"border-collapse: collapse;\"><colgroup><col width=\"83\" \/><col width=\"161\" \/><col width=\"155\" \/><col width=\"114\" \/><\/colgroup><tbody><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Stage<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Temp Range<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Ramp Rate<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 14pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #15205e; color: #ffffff; text-align: center;\">Duration<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">Preheat<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">25\u00b0C \u2192 150\u00b0C<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">2\u00b0C\/s<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">60 s<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">Soak<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">150\u00b0C \u2192 183\u00b0C<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">1\u00b0C\/s<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">90 s<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">Reflow<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">235\u00b0C \u00b15\u00b0C<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">\u2013<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">60 s<\/td><\/tr><tr><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">Cooling<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">\u2013<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">-4\u00b0C\/s<\/td><td style=\"white-space: pre-wrap; border-width: 0.5pt; border-style: solid; border-color: #b1b7c0 #b1b7c0 #dee0e3 #dee0e3; border-image: initial; font-size: 11pt; font-style: normal; font-weight: bold; vertical-align: middle; word-break: break-word; overflow-wrap: break-word; background-color: #fff5e9; color: #15205e; text-align: center;\">\u2013<\/td><\/tr><\/tbody><\/table><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e8a1b33 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e8a1b33\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1d9d6f3\" data-id=\"1d9d6f3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4a8aad7 elementor-widget elementor-widget-text-editor\" data-id=\"4a8aad7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>Step 7: Test<\/strong><\/h3><div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h4 class=\"heading-4 ace-line old-record-id-JMeadeS7NoNyM0xtPAmcoS0AnFf\">X-Ray Inspection Standards<\/h4><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-DNAQd0cCMokvr5xoU2Xcg5HinVO\" data-list=\"bullet\"><div><strong>Hollow rate limits:<\/strong> consumer <span style=\"color: #2ea121;\"><strong>&lt;25%<\/strong><\/span>, automotive electronics <span style=\"color: #2ea121;\"><strong>&lt;15%<\/strong><\/span>.<\/div><\/li><\/ul><h4 class=\"heading-4 ace-line old-record-id-KXq1dBc1Jok3KNxmKkycoM6GnAc\">Slice Analysis<\/h4><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-GW9ud6d5soE3cPxfGjWcMnBvnfc\" data-list=\"bullet\"><div><strong>IMC<\/strong><strong> layer thickness:<\/strong> Normal range<span style=\"color: #2ea121;\"><strong> 2-5 \u03bcm<\/strong><\/span> (observed at <span style=\"color: #2ea121;\"><strong>15 <\/strong><\/span><span style=\"color: #2ea121;\"><strong>kV<\/strong><\/span> using SEM).<\/div><\/li><\/ul><h4 class=\"heading-4 ace-line old-record-id-UXyjdy9dio67r8xvSZUcrIk2nZ5\">Thermal Cycling Test<\/h4><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-YERzdIXV1ot4PcxVN4dc53ognQ3\" data-list=\"bullet\"><div><strong>Condition:<\/strong> JESD22-A104 Condition B (<span style=\"color: #2ea121;\"><strong>-55\u00b0C\u2194125\u00b0C, 1000 cycles<\/strong><\/span>).<\/div><\/li><li class=\"ace-line ace-line old-record-id-HvTzd3Ue0oGov1xNOIwc2kNhn1d\" data-list=\"bullet\"><div><strong>Qualification requirement:<\/strong> No cracking, delamination, resistance change <span style=\"color: #2ea121;\"><strong>&lt;10%<\/strong><\/span>.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5dda835 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5dda835\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ed61161\" data-id=\"ed61161\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1040554 elementor-widget elementor-widget-text-editor\" data-id=\"1040554\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>Step 8: Rework and Troubleshooting<\/strong><\/h3><div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h4 class=\"heading-4 ace-line old-record-id-IieudHmayooMM1xfzvPcSJYGnLe\">Hot Air Gun Rework<\/h4><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-DMWAda1X2oOYHBxbFnFcDctznXI\" data-list=\"bullet\"><div><strong>Temperature:<\/strong> <span style=\"color: #2ea121;\"><strong>350\u00b0C <\/strong><\/span>(measured temperature at the bottom of the chip \u2264 260\u00b0C).<\/div><\/li><li class=\"ace-line ace-line old-record-id-JDtIdQdg3oY1LFxSVilc07Blnsc\" data-list=\"bullet\"><div><strong>Wind speed:<\/strong><span style=\"color: #2ea121;\"><strong> level 2<\/strong><\/span> (to avoid blowing away the surrounding components).<\/div><\/li><\/ul><h4 class=\"heading-4 ace-line old-record-id-HKcjduAJHo53HtxkxbXc83whnnd\">Bridge Repair Steps<\/h4><ol class=\"list-number1\" start=\"1\"><li class=\"ace-line ace-line old-record-id-FiBvdJEh3oNWbVx09tScn9BKnHg\" data-list=\"number\"><div>Employ <a href=\"https:\/\/www.elepcb.com\/blog\/pcba-knowledge\/pcb-flux-cleaning-clean-or-no-clean\/\" data-lark-is-custom=\"true\">no-clean flux<\/a> (such as Kester RF741).<\/div><\/li><li class=\"ace-line ace-line old-record-id-BAZSdZY42oKSmVxHCf3ccLaynue\" data-list=\"number\"><div>Lightly apply pressure over the bridge using <strong>0.15 mm <\/strong>solder suction tape and heat until it melts.<\/div><\/li><li class=\"ace-line ace-line old-record-id-HSEFd1Cexoc9aVxaTMpcYTX2nuc\" data-list=\"number\"><div>Wipe off leftover flux using isopropyl alcohol.<\/div><\/li><\/ol><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-03c0e9b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"03c0e9b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ae0c4ec\" data-id=\"ae0c4ec\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8a97c64 elementor-widget elementor-widget-text-editor\" data-id=\"8a97c64\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>Others<\/strong><\/h3><div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-KabzdO2lNoucWqx1TGCcVMSunw1\" data-list=\"bullet\"><div><strong>Storage of Solder Paste: <\/strong>Store unopened solder paste at <span style=\"color: #2ea121;\"><strong>5-10\u00b0C and preheat for 4 hours before use<\/strong><\/span>.<\/div><\/li><li class=\"ace-line ace-line old-record-id-GSbHdbXLLo3kS6xBylqcFE4MnQc\" data-list=\"bullet\"><div><strong>MSL3 or higher device handling:<\/strong> MSL3 or higher devices are to <span style=\"color: #2ea121;\"><strong>be baked 125\u00b0C for 24 hours<\/strong><\/span>.<\/div><\/li><li class=\"ace-line ace-line old-record-id-QbBjddT6zosyaDxsmWkcOIdonse\" data-list=\"bullet\"><div><strong>Process records:<\/strong> Make electronic versions of temperature profiles, placement parameters, and test results.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7210b54a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7210b54a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4a98bda8\" data-id=\"4a98bda8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-474d7fba elementor-widget elementor-widget-spacer\" data-id=\"474d7fba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-53d2a1cc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"53d2a1cc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4445af4f\" data-id=\"4445af4f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3e72c2fb elementor-widget elementor-widget-heading\" data-id=\"3e72c2fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Conclusion<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-29d394e1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"29d394e1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7f8c5fe\" data-id=\"7f8c5fe\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-563fdc57 elementor-widget elementor-widget-text-editor\" data-id=\"563fdc57\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div>\n<div data-page-id=\"SKC7dw5mIo9QKNxSgwPcggXAnRh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div>\n<div data-page-id=\"SOfOdI4jXo5ucCxUQ3PcJolinPf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div>\n<div data-page-id=\"SOfOdI4jXo5ucCxUQ3PcJolinPf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div>\n<div data-page-id=\"SkJrdhz9ZoQFBhx3uu7cJ27Vnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div class=\"ace-line ace-line old-record-id-BnbFdBaLXoF5ROxSY6jcdUVincc\">QFN packages are the standard in today&#8217;s electronic <a href=\"https:\/\/www.elepcb.com\/pcb-layout-design-process-and-guidelines\/\" data-lark-is-custom=\"true\">design<\/a> because they are small, have high electrical performance, and are thermally efficient. Although special soldering is needed for them, their benefits make them worth more than difficulty, and therefore they are used in most<strong> high-performance applications<\/strong>. The designers have to balance the trade-offs between <span style=\"color: #2ea121;\"><strong>thermal efficiency<\/strong><\/span><span style=\"color: #2ea121;\"><strong>, ease of <\/strong><\/span><span style=\"color: #2ea121;\"><strong><a href=\"https:\/\/www.elepcb.com\/pcb-assembly-process-and-services\/\" data-lark-is-custom=\"true\">assembly<\/a><\/strong><\/span><span style=\"color: #2ea121;\"><strong>, and room space <\/strong><\/span>if there is a choice between QFN and QFP.<\/div>\n<div class=\"ace-line ace-line old-record-id-YMNQdaw6Jo4OOhxt521cvLTSnNg\"><em><strong><a href=\"https:\/\/www.elepcb.com\/\" data-lark-is-custom=\"true\">ELEPCB<\/a><\/strong><\/em><em><strong> provides professional QFN and QFP package solutions. If you are interested, please <\/strong><\/em><em><strong><a href=\"https:\/\/www.elepcb.com\/contact-us\/\" data-lark-is-custom=\"true\">contact us<\/a><\/strong><\/em><em><strong> for prompt service!<\/strong><\/em><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-48d7ae27 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"48d7ae27\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-77df134c\" data-id=\"77df134c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-13d46587 elementor-widget elementor-widget-shortcode\" data-id=\"13d46587\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t<div data-elementor-type=\"section\" data-elementor-id=\"2056\" class=\"elementor elementor-2056\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6012901 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6012901\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-afac9b2\" data-id=\"afac9b2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b379375 elementor-widget elementor-widget-image\" data-id=\"b379375\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.elepcb.com\/pcb-products\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-768x1024.jpg\" class=\"attachment-large size-large wp-image-15779\" alt=\"pcb and pcba products 1\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-768x1024.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-225x300.jpg 225w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-1152x1536.jpg 1152w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-1536x2048.jpg 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-scaled.jpg 1920w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-8968fc1\" data-id=\"8968fc1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c0c3b5d elementor-widget elementor-widget-image\" data-id=\"c0c3b5d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.elepcb.com\/contact-us\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-1024x683.jpg\" class=\"attachment-large size-large wp-image-15819\" alt=\"contact us\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-1024x683.jpg 1024w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-300x200.jpg 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-768x512.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-1536x1024.jpg 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-2048x1365.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-a17958a\" data-id=\"a17958a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4326577 elementor-widget elementor-widget-image\" data-id=\"4326577\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.elepcb.com\/pcb-products\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-768x1024.jpg\" class=\"attachment-large size-large wp-image-15778\" alt=\"pcb and pcba products 2\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-768x1024.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-225x300.jpg 225w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-1152x1536.jpg 1152w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-1536x2048.jpg 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-scaled.jpg 1921w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3dd32bd7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3dd32bd7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-30e73de5\" data-id=\"30e73de5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-6e6f562b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6e6f562b\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-1aae434c\" data-id=\"1aae434c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-7de62f23\" data-id=\"7de62f23\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-225d5b79 elementor-widget elementor-widget-text-editor\" data-id=\"225d5b79\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-family: Oswald, sans-serif; margin: 0px; padding: 0px 0px 10px; line-height: 1.125em; font-size: 32px; text-transform: uppercase; text-align: center; color: #0a1f34;\">CONTACT US<\/p><div class=\"textwidget\"><div id=\"wpcf7-f5-p60-o1\" class=\"wpcf7\" dir=\"ltr\" lang=\"en-US\" role=\"form\"><div class=\"screen-reader-response\" style=\"position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0px; overflow: hidden; clip: rect(0px, 0px, 0px, 0px); border: 0px;\"><p style=\"font-size: 15px; line-height: 1.58em; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding: 25px 0px 15px; text-align: center; max-width: 846px;\" role=\"status\" aria-live=\"polite\" aria-atomic=\"true\">\u00a0<\/p><\/div><form id=\"cf7-form-5\" class=\"wpcf7-form init cf7mls-no-scroll cf7mls-no-moving-animation\" style=\"position: relative; overflow: hidden;\" action=\"https:\/\/www.mclpcb.com\/capabilities\/#wpcf7-f5-p60-o1\" method=\"post\" novalidate=\"novalidate\" data-status=\"init\" data-fx-id=\"1587946425258918\"><div class=\"contact-inner\" style=\"max-width: 846px; margin: 0px auto;\"><p style=\"font-size: 15px; line-height: 1.58em; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding: 25px 0px 15px; text-align: center; max-width: 846px;\">We provide technical expertise form prototype through production, increasing speed to market by 20%.<\/p><p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Contact us below to start discussing your project with our Technical Experts today.<\/p><p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Whether you already have Gerber Files, submit a\u00a0Quick Quote\u00a0for free estimate.<\/p><\/div><\/form><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5782c747 elementor-button-align-center elementor-widget elementor-widget-form\" data-id=\"5782c747\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" aria-label=\"New Form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"2056\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"5782c747\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"An Ultimate Guide to PCB Inspection Methods-ELE PCB\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"4187\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tYour Name\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-message elementor-col-50\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tEmail Address\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[message]\" id=\"form-field-message\" class=\"elementor-field elementor-size-sm  elementor-field-textual\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column elementor-field-group-field_373bda7 elementor-col-50\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_373bda7\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tPhone Number\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[field_373bda7]\" id=\"form-field-field_373bda7\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Csak a sz\u00e1mok \u00e9s telefonkarakterek (#, -, * stb.) fogadhat\u00f3k el.\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-checkbox elementor-field-group elementor-column elementor-field-group-field_c168eb1 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_c168eb1\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tI am interested in (select all that apply)\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<div class=\"elementor-field-subgroup  elementor-subgroup-inline\"><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Rigid PCBs\" id=\"form-field-field_c168eb1-0\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-0\">Rigid PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Flexible Printed Circuit Boards\" id=\"form-field-field_c168eb1-1\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-1\">Flexible Printed Circuit Boards<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Flexible Aluminum PCBs\" id=\"form-field-field_c168eb1-2\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-2\">Flexible Aluminum PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Flexible PCB Microcircuits\" id=\"form-field-field_c168eb1-3\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-3\">Flexible PCB Microcircuits<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Ultra-Thin Flexible PCBs\" id=\"form-field-field_c168eb1-4\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-4\">Ultra-Thin Flexible PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Rigid-Flex\" id=\"form-field-field_c168eb1-5\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-5\">Rigid-Flex<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Ceramic Printed Circuit Boards\" id=\"form-field-field_c168eb1-6\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-6\">Ceramic Printed Circuit Boards<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Aluminum Printed Circuit Boards\" id=\"form-field-field_c168eb1-7\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-7\">Aluminum Printed Circuit Boards<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Copper Core\" id=\"form-field-field_c168eb1-8\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-8\">Copper Core<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"IC Substrates &amp; Interposer\" id=\"form-field-field_c168eb1-9\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-9\">IC Substrates & Interposer<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"High TG PCBs\" id=\"form-field-field_c168eb1-10\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-10\">High TG PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Heavy Copper\" id=\"form-field-field_c168eb1-11\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-11\">Heavy Copper<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"PCB Assembly\" id=\"form-field-field_c168eb1-12\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-12\">PCB Assembly<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Components Sourcing\" id=\"form-field-field_c168eb1-13\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-13\">Components Sourcing<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Other\" id=\"form-field-field_c168eb1-14\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-14\">Other<\/label><\/span><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-upload elementor-field-group elementor-column elementor-field-group-field_2cea676 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_2cea676\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tUpload Your Files (Optional)\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input type=\"file\" name=\"form_fields[field_2cea676]\" id=\"form-field-field_2cea676\" class=\"elementor-field elementor-size-sm  elementor-upload-field\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-field_9ceb2c8 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_9ceb2c8\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tMessage\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[field_9ceb2c8]\" id=\"form-field-field_9ceb2c8\" rows=\"4\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Submit<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-123957a9\" data-id=\"123957a9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Table of Contents Quad Flat No-Lead (QFN) are currently a part of electronics. It provides high performance in a small package. QFN packages are currently utilized on mass scale in applications from consumer electronics to industrial and automotive applications owing to their superior electrical and thermal characteristics. Do you understand the specific differences of QFN [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":18973,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[124,129,232],"class_list":["post-18971","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pcb-knowledge","tag-pcb-assembly","tag-pcb-manufacturing","tag-pcba-technique"],"_links":{"self":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/18971","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/comments?post=18971"}],"version-history":[{"count":42,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/18971\/revisions"}],"predecessor-version":[{"id":19023,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/18971\/revisions\/19023"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/media\/18973"}],"wp:attachment":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/media?parent=18971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/categories?post=18971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/tags?post=18971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}