{"id":21853,"date":"2026-02-11T11:20:28","date_gmt":"2026-02-11T03:20:28","guid":{"rendered":"https:\/\/www.elepcb.com\/?p=21853"},"modified":"2026-02-03T15:31:54","modified_gmt":"2026-02-03T07:31:54","slug":"pcb-trace-width","status":"publish","type":"post","link":"https:\/\/www.elepcb.com\/hu\/blog\/pcb-trace-width\/","title":{"rendered":"PCB nyomvonalsz\u00e9less\u00e9g sz\u00e1m\u00edt\u00e1sa: PCB nyomvonal sz\u00e9less\u00e9ge: Milyen sz\u00e9les legyen egy PCB nyomvonal?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"21853\" class=\"elementor elementor-21853\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-59efb455 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"59efb455\" 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-31117e29\" data-id=\"31117e29\" 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-34edcfc0 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"34edcfc0\" 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__34edcfc0\" 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__34edcfc0\" 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__34edcfc0\" 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-791d4b63 elementor-widget elementor-widget-text-editor\" data-id=\"791d4b63\" 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=\"MMJ3dYqfMo488CxSgojc9hJ2nxR\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzwWQ93rSlNWaDOzmxWNHbg\"><div data-page-id=\"SN2QdUsRfo9ptVxuu01cmMU6nCK\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"PjvLdozttokd6JxbqMlck9o0ngg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnD6GQVSvuMfvrKwaFEBoavd\"><div data-page-id=\"IvVMdpqGXoW5mAx2lnEcTBVanze\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-WPYWdY2xOo66vWxlZDUchLMWnCc\"><div data-page-id=\"A5AldwZDtoPcSgxUuyfcA5WRnNf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Qi4JdNEs7ooXzexWItFcKPLMnwe\"><div data-page-id=\"W0NLdprAJoBJO7xxJjWcKNxVneb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcngYZVqZDy4LgfSfF8s5haeh\"><div data-page-id=\"J2QMdavk0oD5sPxTbU8cEnVUnzd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnjtx7NbCQ1Ki4arDshpR2Uc\"><div data-page-id=\"J2QMdavk0oD5sPxTbU8cEnVUnzd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnjtx7NbCQ1Ki4arDshpR2Uc\"><div data-page-id=\"DFOfdWaHroRYmVxVW0acvcpVn7d\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-TRkadMuXIoQixpxQZUUcBYTbnmg\"><div data-page-id=\"AxBJd9tDooJT9BxmRHLc2n0CnGj\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CYzidwIMxoeeQ2x0rHRcIx62nPc\"><div data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-UbPIdxFahov51zxhVGjcScx4nRe\">Several issues need to be addressed when designing PCBs, including material selection, trace length, PCB trace width and impedance matching. The copper pathways on a <a href=\"https:\/\/www.elepcb.com\/blog\/printed-circuit-board-types-and-their-uses\/\" data-lark-is-custom=\"true\">Printed Circuit Board,<\/a> also known as traces, serve as electrical connectors.<\/div><div class=\"ace-line ace-line old-record-id-RmYmd4sWGoNNH3xRLh4cL9zsnyg\">The width of a PCB trace determines how much current it can safely carry without causing an excessive rise in temperature. This article explains how to calculate PCB trace width in reference to the <strong>IPC-2152 standard<\/strong>. It also compares internal and external layers and provides real-world design examples and details of common issues.<\/div><div>Now, follow with<a href=\"https:\/\/www.elepcb.com\/\"> ELEPCB<\/a>!<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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-6598f962 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6598f962\" 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-18217549\" data-id=\"18217549\" 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-b870758 elementor-widget elementor-widget-spacer\" data-id=\"b870758\" 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-2b53cd9b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2b53cd9b\" 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-71908f17\" data-id=\"71908f17\" 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-1a4fa2ec elementor-widget elementor-widget-heading\" data-id=\"1a4fa2ec\" 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>Why PCB Trace Width Matters?<\/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-1ed85fa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1ed85fa\" 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-921a683\" data-id=\"921a683\" 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-2094965 elementor-widget elementor-widget-text-editor\" data-id=\"2094965\" 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=\"PjvLdozttokd6JxbqMlck9o0ngg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn9rWBNE0z7cGNNkCj3Vewue\"><div data-page-id=\"IvVMdpqGXoW5mAx2lnEcTBVanze\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CUrldvH4lo98zkxV4rhcyjfHnWg\"><div data-page-id=\"A5AldwZDtoPcSgxUuyfcA5WRnNf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-IZV1dOfeRov4Ffx357rcuRf1nIg\"><div data-page-id=\"W0NLdprAJoBJO7xxJjWcKNxVneb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn1sFD6Cz2Gf5Xv3S33USQLb\"><div data-page-id=\"J2QMdavk0oD5sPxTbU8cEnVUnzd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnKOdPQO42f3n7IOrCrWi2Fc\"><div data-page-id=\"DFOfdWaHroRYmVxVW0acvcpVn7d\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn3f9pSZlIn9QMW5ydGoKIKg\"><div data-page-id=\"AxBJd9tDooJT9BxmRHLc2n0CnGj\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnmjaXUVu8adRPwuOvlFdH3g\"><div data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-V2MEdqmseoStffxLMcxc43dGnvh\">PCB trace width refers to the physical width of the copper conductor etched onto a printed circuit board. Together with <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/pcb-trace-thickness\/\" data-lark-is-custom=\"true\">copper foil thickness<\/a>, trace width determines the trace&#8217;s cross-sectional area, which directly affects resistance, current-carrying capacity and heat dissipation performance.<\/div><div class=\"ace-line ace-line old-record-id-HCphdGExgoZFWBxe1R2cnaN9nwe\">Trace width influences several important electrical and thermal parameters of a PCB:<\/div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-TjiVdAJYgok1YUx8Ve9cjcnOnvc\" data-list=\"bullet\"><div>Current carrying capacity<\/div><\/li><li class=\"ace-line ace-line old-record-id-RpfEdzj4YobtVtxNl4EcuVvinCc\" data-list=\"bullet\"><div>Temperature rise<\/div><\/li><li class=\"ace-line ace-line old-record-id-ENNed5g7xo4hmQxbzxlchBGlnaf\" data-list=\"bullet\"><div>Voltage drop<\/div><\/li><li class=\"ace-line ace-line old-record-id-MD5RdSum8oJxDnxsLpacC5pknKd\" data-list=\"bullet\"><div><a href=\"https:\/\/www.elepcb.com\/blog\/signal-integrity-in-pcb\/\">Signal integrity<\/a><\/div><\/li><li class=\"ace-line ace-line old-record-id-NDabdr9JooGd5ux9S53cst3Vnzg\" data-list=\"bullet\"><div>Manufacturing yield<\/div><\/li><\/ul><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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-044fb78 elementor-widget elementor-widget-text-editor\" data-id=\"044fb78\" 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=\"AxBJd9tDooJT9BxmRHLc2n0CnGj\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-DWNtdhj4VompwCxhOCxcAYihnhf\">PCB Trace Width vs Current (\u0394T = 10\u00b0C, External Layer)<\/h3><div class=\"ace-line ace-line old-record-id-FX6pd9OCsoWtHPxFl8qcPCEqnWc\">This <strong>PCB<\/strong><strong> trace width vs current table<\/strong> provides a quick reference for common copper thicknesses.<\/div><\/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-a9e5a25 elementor-widget elementor-widget-text-editor\" data-id=\"a9e5a25\" 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<table><colgroup> <col width=\"105\" \/> <col width=\"105\" \/> <col width=\"105\" \/> <col width=\"105\" \/><\/colgroup>\n<tbody>\n<tr>\n<td style=\"white-space-collapse: preserve; 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: #15205e; color: #ffffff;\">Trace Width (mm)<\/td>\n<td style=\"white-space-collapse: preserve; 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: #b56408; color: #ffffff;\">35 \u00b5m Copper (\u22481 oz)<\/td>\n<td style=\"white-space-collapse: preserve; 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: #b56408; color: #ffffff;\">50 \u00b5m Copper<\/td>\n<td style=\"white-space-collapse: preserve; 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: #b56408; color: #ffffff;\">70 \u00b5m Copper<\/td>\n<\/tr>\n<tr>\n<td style=\"white-space-collapse: preserve; 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: #15205e; color: #ffffff;\">0.2 mm<\/td>\n<td>~0.55 A<\/td>\n<td>~0.7 A<\/td>\n<td>~0.9 A<\/td>\n<\/tr>\n<tr>\n<td style=\"white-space-collapse: preserve; 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: #15205e; color: #ffffff;\">0.3 mm<\/td>\n<td>~0.8 A<\/td>\n<td>~1.1 A<\/td>\n<td>~1.3 A<\/td>\n<\/tr>\n<tr>\n<td style=\"white-space-collapse: preserve; 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: #15205e; color: #ffffff;\">0.5 mm<\/td>\n<td>~1.35 A<\/td>\n<td>~1.7 A<\/td>\n<td>~2.0 A<\/td>\n<\/tr>\n<tr>\n<td style=\"white-space-collapse: preserve; 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: #15205e; color: #ffffff;\">0.8 mm<\/td>\n<td>~2.0 A<\/td>\n<td>~2.4 A<\/td>\n<td>~2.8 A<\/td>\n<\/tr>\n<tr>\n<td style=\"white-space-collapse: preserve; 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: #15205e; color: #ffffff;\">1.0 mm<\/td>\n<td>~2.3 A<\/td>\n<td>~2.6 A<\/td>\n<td>~3.2 A<\/td>\n<\/tr>\n<tr>\n<td style=\"white-space-collapse: preserve; 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: #15205e; color: #ffffff;\">1.5 mm<\/td>\n<td>~3.2 A<\/td>\n<td>~3.5 A<\/td>\n<td>~4.2 A<\/td>\n<\/tr>\n<tr>\n<td style=\"white-space-collapse: preserve; 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: #15205e; color: #ffffff;\">2.0 mm<\/td>\n<td>~4.0 A<\/td>\n<td>~4.3 A<\/td>\n<td>~5.1 A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\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-7f00bf5 elementor-widget elementor-widget-text-editor\" data-id=\"7f00bf5\" 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=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RvJpdAJ8WoxG1wxi7yCcNVgynzh\">The broader traces are more effective at dissipating heat, and narrower traces provide more resistance to the passage of electricity, causing an increase in temperature and a decrease in voltage. This ensures that the electrical operation of the printed circuit board is within the established parameters of safe operation and performance.<\/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-46e63d5 elementor-widget elementor-widget-image\" data-id=\"46e63d5\" 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=\"509\" height=\"509\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2026\/01\/pcb-trace-current-capblility.png\" class=\"attachment-large size-large wp-image-21862\" alt=\"pcb trace current capblility\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2026\/01\/pcb-trace-current-capblility.png 509w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2026\/01\/pcb-trace-current-capblility-300x300.png 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2026\/01\/pcb-trace-current-capblility-150x150.png 150w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2026\/01\/pcb-trace-current-capblility-12x12.png 12w\" sizes=\"(max-width: 509px) 100vw, 509px\" \/>\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<div class=\"elementor-element elementor-element-0c8f480 elementor-widget elementor-widget-heading\" data-id=\"0c8f480\" 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>How to Calculate PCB Trace Width<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8dc7d95 elementor-widget elementor-widget-text-editor\" data-id=\"8dc7d95\" 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=\"J2QMdavk0oD5sPxTbU8cEnVUnzd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"DFOfdWaHroRYmVxVW0acvcpVn7d\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"AxBJd9tDooJT9BxmRHLc2n0CnGj\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-SM1RdqCjnokYFyxwomNcUqLYnOh\"><div data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-P97Tdr669o6iRtxqrPZcXC7cneh\">Calculating the appropriate trace width ensures that your circuit board can handle the required current without overheating or sustaining damage. For hobbyist projects or basic designs, you can use online calculators or standard guidelines like IPC-2221 to determine trace width.<\/div><\/div><\/div><\/div><\/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-0758790 elementor-widget elementor-widget-text-editor\" data-id=\"0758790\" 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=\"AxBJd9tDooJT9BxmRHLc2n0CnGj\" data-lark-html-role=\"root\" data-docx-has-block-data=\"true\"><div data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-OHFPd65IJozScUxNx7kc4B3onYd\">PCB Trace Width Quick Design Rules (IPC-2152)<\/h3><div class=\"ace-line ace-line old-record-id-EwB9dpuBgoaFP6x4odScfj9wnGd\">Before diving into calculations, the following quick rules are often used during early layout:<\/div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-VfLCd5yieoJK0LxS4RLcQTqJncG\" data-list=\"bullet\"><div><strong>1 oz copper, external layer:<\/strong> ~20 mil per 1 A (\u224810\u00b0C temperature rise)<\/div><\/li><li class=\"ace-line ace-line old-record-id-BiZ6dda4CoFPJ2x29uBcauO3nTR\" data-list=\"bullet\"><div><strong>Internal layers:<\/strong> Require <strong>50\u201370% wider traces<\/strong> than external layers<\/div><\/li><li class=\"ace-line ace-line old-record-id-LHWcdAzdfomepbxDJcRcVC36nTe\" data-list=\"bullet\"><div><strong>Higher ambient temperature:<\/strong> Increase trace width or copper thickness<\/div><\/li><li class=\"ace-line ace-line old-record-id-LxqudMqYooJ9lkxJDsOczOawnvh\" data-list=\"bullet\"><div><strong>Long power traces:<\/strong> Check voltage drop in addition to temperature rise<\/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<div class=\"elementor-element elementor-element-28df573 elementor-widget elementor-widget-text-editor\" data-id=\"28df573\" 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=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-Re6Yd5Tveos5j9xcyEwcUtVnn8c\">PCB Trace Width Calculation Formulas<\/h3><div class=\"ace-line ace-line old-record-id-WvYidw39doplgGxll6zcExUfnEd\">To calculate PCB trace width, the following parameters must be defined:<\/div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-AUTEdhFo9oEcPhx93jfcv1u4n8d\" data-list=\"bullet\"><div>Current (A)<\/div><\/li><li class=\"ace-line ace-line old-record-id-J0TRd6PmCoYYf8xEb6IctiWsnjh\" data-list=\"bullet\"><div>Copper thickness (oz\/ft2 or um)<\/div><\/li><li class=\"ace-line ace-line old-record-id-R5vmd4LCmo5HDaxck1acggcjnzd\" data-list=\"bullet\"><div>Limit of temperature increase (degC)<\/div><\/li><li class=\"ace-line ace-line old-record-id-GUYBd3NDIo42Dcxlm3fcOpvbnCg\" data-list=\"bullet\"><div>Trace position (external or internal layer)<\/div><\/li><\/ul><div class=\"ace-line ace-line old-record-id-GADqdZD23oiVZHxbTqVcQRVznAg\">According to the research by Ghosh (2021), the formula that is most in use is based on IPC standards:<\/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-e7e9b9b elementor-widget elementor-widget-text-editor\" data-id=\"e7e9b9b\" 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=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Otb7djMOvoo7gJx63RRc3Ac4nxb\" style=\"text-align: center;\"><em><strong>I = k \u00d7 (\u0394T)^0.44 \u00d7 A^0.725<\/strong><\/em><\/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-d6bccf9 elementor-widget elementor-widget-text-editor\" data-id=\"d6bccf9\" 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=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-HgmudzuWAozW7BxcXH7cVVMNnUi\">Where:<\/div><div class=\"ace-line ace-line old-record-id-QL2Ud5SZNoMjoJxUsW5c5tVCnZ1\"><em>I = current (A)<\/em><\/div><div class=\"ace-line ace-line old-record-id-H04bdEitFokSjYxbKz1cpcx6nmd\"><em>\u0394T = allowable temperature rise (\u00b0C)<\/em><\/div><div class=\"ace-line ace-line old-record-id-ITN3dtO9bo1rUGxf8eUcDtcYnVh\"><em>A = trace cross-sectional area (mil\u00b2)<\/em><\/div><div class=\"ace-line ace-line old-record-id-NMl1d5JRSoLyZhxER7bcIZE5nXc\"><em>k = 0.048 (external layers), 0.024 (internal layers)<\/em><\/div><div class=\"ace-line ace-line old-record-id-U7ITd3rctorqH6xJBxocEkHrnqg\">The two examples of External and internal Layer traces are shown below.<\/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-51e9634 elementor-widget elementor-widget-image\" data-id=\"51e9634\" 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=\"636\" height=\"636\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2026\/01\/pcb-trace-width-comparison.png\" class=\"attachment-large size-large wp-image-21863\" alt=\"pcb trace width comparison\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2026\/01\/pcb-trace-width-comparison.png 636w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2026\/01\/pcb-trace-width-comparison-300x300.png 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2026\/01\/pcb-trace-width-comparison-150x150.png 150w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2026\/01\/pcb-trace-width-comparison-12x12.png 12w\" sizes=\"(max-width: 636px) 100vw, 636px\" \/>\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<div class=\"elementor-element elementor-element-11ea414 elementor-widget elementor-widget-text-editor\" data-id=\"11ea414\" 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=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Hdxddmfz8oLHGgxr6KTcJnc5nEh\"><strong>Example 1: External Layer Trace<\/strong><\/div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-Jzh3dVKVhopJz9xugDRcLD1ynTd\" data-list=\"bullet\"><div>Current: 2 A<\/div><\/li><li class=\"ace-line ace-line old-record-id-QuyWdmJW3oosYJxhIdqcc22Hn9e\" data-list=\"bullet\"><div>Copper thickness: 1 oz<\/div><\/li><li class=\"ace-line ace-line old-record-id-UccsdzLNTo4SKUxTy1Dc8lF7nSb\" data-list=\"bullet\"><div>Allowable temperature rise: 10\u00b0C<\/div><\/li><li class=\"ace-line ace-line old-record-id-Nc55dGc4Go4oVtxufJ6ce8Lznrb\" data-list=\"bullet\"><div>Layer: External<\/div><\/li><\/ul><div class=\"ace-line ace-line old-record-id-YmJxdI152oEjssxH88fcTXD9nye\"><strong>Result:<\/strong> Based on IPC-2152 charts or calculators, a 2 A external-layer trace typically requires a <strong>trace width of approximately 40\u201345 mil<\/strong>.<\/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-7107d7c elementor-widget elementor-widget-text-editor\" data-id=\"7107d7c\" 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=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-MmtYdBsI9ofDqZxkn1jcnoH5nHh\"><strong>Example 2: Internal Layer Trace<\/strong><\/div><div class=\"ace-line ace-line old-record-id-TvOYd90F6owd5txoFD1ctgzenPr\">At the same parameters, though on an internal layer:<\/div><div class=\"ace-line ace-line old-record-id-M9rLdzke8odUoPxXveHcNL82nse\"><strong>Result:<\/strong> Internal traces are surrounded by dielectric material and dissipate heat less effectively. The required trace width increases to approximately <strong>65\u201370 mil<\/strong> to maintain the same temperature rise.<\/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-a33bac1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a33bac1\" 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-9d1303b\" data-id=\"9d1303b\" 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-c01d68b elementor-widget elementor-widget-spacer\" data-id=\"c01d68b\" 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<div class=\"elementor-element elementor-element-423dd15 elementor-widget elementor-widget-heading\" data-id=\"423dd15\" 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>Factors Affecting Trace Width<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e66416d elementor-widget elementor-widget-text-editor\" data-id=\"e66416d\" 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=\"DFOfdWaHroRYmVxVW0acvcpVn7d\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnOOtG6jVJVpZqYJT0WNUEiS\"><div data-page-id=\"AxBJd9tDooJT9BxmRHLc2n0CnGj\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzJHwUA1nFAdlMl0sJDgxhh\"><div data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ImR4d6RnQoSfuVxKNYJcyCxIn1d\">The following variables need to be understood to develop safe, efficient and manufacturable printed circuit board designs.<\/div><\/div><\/div><div data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul><li class=\"ace-line ace-line old-record-id-X9uGd4VnTob7VTxUo0jcHJK8nDd\"><strong>Current Carrying <\/strong><strong>Capacity<\/strong><strong>: <\/strong>The important fact in the calculation of trace width is the amount of current that the trace is capable of carrying. The increased current density causes longer traces to be used to eliminate the heating resistive nature that may cause circuit breakage.<\/li><\/ul><div class=\"ace-line ace-line old-record-id-Lf5Mdc00eot2r9xCfRVcrfnKnFd\" style=\"padding-left: 40px;\">The IPC-2152 specifications show that the current-carrying capacity increases exponentially with trace width &#8211; doubling the trace width does not automatically increase the current-carrying capacity, be it thermal or electromagnetic. At the design stage, the peak current load and the continuous current load should be taken into consideration, such that the delivery of power traces can be made.<\/div><\/div><\/div><\/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-1a1a149 elementor-widget elementor-widget-text-editor\" data-id=\"1a1a149\" 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<ul><li data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-PyNsdeNpBoMbpFxWA1wcOsrFnBc\"><strong>Copper Thickness and Weight: <\/strong><a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/pcb-trace-thickness\/\">Copper thickness<\/a> in ounces per square foot (oz\/ft2) may have a major impact on the current capacity. Conventional PCB is 1 oz copper (about 1.4 mils or 35 microns), but 0.5 oz, 2 oz and 4 oz copper could be used in unusual applications. <a href=\"https:\/\/www.elepcb.com\/pcb-products\/ele-copper-pcb-board\/\">Copper<\/a> is relatively harder to etch than finer and more expensive and difficult to make due to decreasing trace width and weight increases.<\/div><\/li><\/ul>\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-6db274e elementor-widget elementor-widget-text-editor\" data-id=\"6db274e\" 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<ul><li data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JtKTdgBFLoAb80xjseLcObswnbc\"><strong>Ambient Conditions and Temperature Rise:<\/strong> The accepted range above the ambient temperature should be known. In IPC-2152, different cases of temperature rise curves exist, where the majority lies between 10 \u00b0C and 30 \u00b0C. Situations where high ambient temperatures are found, such as industrial equipment or operation under the hood, require a smaller increase in temperature limit. The cooling pathways, airflow conditions, and heating elements should be addressed in thermal models.<\/div><\/li><\/ul>\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-dfd11f7 elementor-widget elementor-widget-text-editor\" data-id=\"dfd11f7\" 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<ul><li data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-Cj9wd6ndyoxhLRxMKB4cgE83nFd\"><strong>Location Layer Internal vs External: <\/strong>PCB stackup is very significant to thermal performance. The advantage of the external layer traces is that they are directly cooled by the air and can have up to 50-100 percent more current carried than internal traces of the same size, as they are enclosed with a dielectric insulating material.<\/div><\/li><\/ul><div class=\" old-record-id-Cj9wd6ndyoxhLRxMKB4cgE83nFd\" style=\"padding-left: 40px;\">Internal power planes need to have additional traces or vias to the adjacent stages to provide sufficient current distribution.<a href=\"https:\/\/www.elepcb.com\/pcb-products\/multilayer-pcb\/\"> Multi-layer boards<\/a> require thermal analysis that is intensive depending on the layout and is founded on IPC-2152.<\/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-4cbc9da elementor-widget elementor-widget-text-editor\" data-id=\"4cbc9da\" 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=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-Af0Hd3K5poSgSWxHjbTcnt0dnHe\" data-list=\"bullet\"><div><strong>Trace Length and Voltage Drop: <\/strong>Traces with longer lengths will have a resistive voltage drop, making it less efficient, which can cause malfunctions. The voltage drop for the signals and power traces can be calculated using the formula <em>(V drop = R \u00d7 I)<\/em>, where resistance can be measured by the width of the copper trace and the length of the trace.<\/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-cb39f80 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cb39f80\" 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-03894e7\" data-id=\"03894e7\" 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-d7c07a3 elementor-widget elementor-widget-spacer\" data-id=\"d7c07a3\" 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<div class=\"elementor-element elementor-element-d6ec1e0 elementor-widget elementor-widget-heading\" data-id=\"d6ec1e0\" 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>Common Problems in PCB Trace<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4b41b8 elementor-widget elementor-widget-text-editor\" data-id=\"a4b41b8\" 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=\"DFOfdWaHroRYmVxVW0acvcpVn7d\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnS4ueh3J050UkywlBcY8znd\"><div data-page-id=\"AxBJd9tDooJT9BxmRHLc2n0CnGj\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XWAMdlyHco7SaqxH9VPcoQexnmg\"><div data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-HLPNdRyx3oh7kvxDfy1cro8anMj\" data-list=\"bullet\"><div><strong>Designing <\/strong><strong>PCB<\/strong><strong> Trace Width Based on Current Only:<\/strong> One of the mistakes <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/pcb-design-software\/\">PCB designers<\/a> commit is merely looking at the current value and not considering the increase in temperature. The existing current can be at a reasonable level, but heat may spoil traces over time and cause failures. The traces can damage copper when it is incredibly hot, and when there is too much heat.<\/div><\/li><\/ul><\/div><\/div><\/div><\/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-e62b63d elementor-widget elementor-widget-text-editor\" data-id=\"e62b63d\" 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=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-CsPhdWQB8oc16xx0hrQc0lkjnzc\" data-list=\"bullet\"><div><strong>Using the Same Solder Mask Rules for Power and Signal Traces: <\/strong>Signal traces conduct little current, and the power traces are to carry loads much higher. In this type of case, since they are being handled in the same manner, the routing of power is usually undersized.<\/div><\/li><\/ul><\/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-2582d42 elementor-widget elementor-widget-text-editor\" data-id=\"2582d42\" 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=\"IvVMdpqGXoW5mAx2lnEcTBVanze\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnTlK6U600eYqHBn2DVDHiBh\"><div data-page-id=\"A5AldwZDtoPcSgxUuyfcA5WRnNf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-HjjDdeEfGopFf2x76yZc3vLFnWd\"><div data-page-id=\"W0NLdprAJoBJO7xxJjWcKNxVneb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-EV6OdptWRoDrS5xrxexcVrkLnHd\"><div data-page-id=\"J2QMdavk0oD5sPxTbU8cEnVUnzd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn7Xte6fhX9TZLibWHE8vtWb\"><div data-page-id=\"DFOfdWaHroRYmVxVW0acvcpVn7d\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnOFFjUmuwitLjUo53pQIhsb\"><div data-page-id=\"AxBJd9tDooJT9BxmRHLc2n0CnGj\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AzdOdfzAXoMFfCxE3Gnc7VDJncc\"><div data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-ABUidLlrFoGBPvxc0NhcnrVHn4n\" data-list=\"bullet\"><div><strong>Insufficient Trace Width on Internal <\/strong><strong>PCB<\/strong><strong> Layers:<\/strong> The designers must remember that the internal trace layers are not identical to the external ones. Dielectric traces can be found inside, and they are not supposed to be disclosed. To cool this, they will have to be wider than external traces when intended to carry larger quantities of current.<\/div><\/li><\/ul><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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-e7e1977 elementor-widget elementor-widget-text-editor\" data-id=\"e7e1977\" 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=\"A5AldwZDtoPcSgxUuyfcA5WRnNf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CfRodbvorozSB9xLeescRYHrnBb\"><div data-page-id=\"W0NLdprAJoBJO7xxJjWcKNxVneb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnMABE7jR21se56ufMJP19eg\"><div data-page-id=\"J2QMdavk0oD5sPxTbU8cEnVUnzd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnWOgT3vIIkNjfZkASrlkBSG\"><div data-page-id=\"DFOfdWaHroRYmVxVW0acvcpVn7d\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnAJ5JwvKY8k3voqlXgZf03d\"><div data-page-id=\"AxBJd9tDooJT9BxmRHLc2n0CnGj\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnlMIbv9GVVCF7HQ0lXtgDrc\"><div data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-Xg50dprfAoMTBaxY9qgcpm7MnGd\" data-list=\"bullet\"><div><strong>Trace Width Reduction Caused by <\/strong><strong>PCB<\/strong><strong> Etching:<\/strong> Impacts of production are at times overlooked. In the etching process, narrow traces can be reduced slightly in width; hence, this is an issue. This can create a risky design in comparison to what is evident during the designing stage of the view of the layout.<\/div><\/li><li class=\"ace-line ace-line old-record-id-J9H4dSu1lotvUwxC39PczkiBnwc\" data-list=\"bullet\"><div><strong>Excessive Trace Length Causing Voltage Drop: <\/strong>The longer the length of the trace, the higher the resistance, and the thinner the designed trace, the higher the voltage drop. This can provide a diversion to the current and could lead to unexplained failures in the power distribution.<\/div><\/li><\/ul><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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-168425f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"168425f\" 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-08f2d94\" data-id=\"08f2d94\" 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-a254226 elementor-widget elementor-widget-heading\" data-id=\"a254226\" 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<div class=\"elementor-element elementor-element-624328b elementor-widget elementor-widget-text-editor\" data-id=\"624328b\" 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=\"A5AldwZDtoPcSgxUuyfcA5WRnNf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CfRodbvorozSB9xLeescRYHrnBb\"><div data-page-id=\"W0NLdprAJoBJO7xxJjWcKNxVneb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnMABE7jR21se56ufMJP19eg\"><div data-page-id=\"J2QMdavk0oD5sPxTbU8cEnVUnzd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnWOgT3vIIkNjfZkASrlkBSG\"><div data-page-id=\"DFOfdWaHroRYmVxVW0acvcpVn7d\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnAJ5JwvKY8k3voqlXgZf03d\"><div data-page-id=\"AxBJd9tDooJT9BxmRHLc2n0CnGj\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AerddF1rMoHgGpxQVwYcbeIUndc\"><div data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OXukdNN8vokJ8Vx71xpcX7GmnIg\">Selecting the correct width for PCB traces is essential for ensuring the electrical reliability, thermal safety and long-term performance of printed circuit boards. Well-designed traces must strike a balance between current-carrying capacity, permissible temperature rise, copper thickness and layer position, rather than relying only on current values.<\/div><div class=\"ace-line ace-line old-record-id-VxomdxDmiopOeAx2F0RcwLX8nmd\">Successful PCB design utilizes IPC-2152 standard compliance to balance <a href=\"https:\/\/www.elepcb.com\/blog\/what-is-pcb-dfm-check\/\">DFM<\/a> and thermal performance. Adopting these best practices in the initial design phase helps to reduce the need for costly modifications, improve yield rates and ensure consistent performance of the PCB throughout the product&#8217;s entire lifecycle.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/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-b75ddae elementor-widget elementor-widget-spacer\" data-id=\"b75ddae\" 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-688ba04c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"688ba04c\" 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-3c2fc7ea\" data-id=\"3c2fc7ea\" 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-00fccbf elementor-widget elementor-widget-heading\" data-id=\"00fccbf\" 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>FAQs<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f9f4f7b elementor-widget elementor-widget-toggle\" data-id=\"6f9f4f7b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1871\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1871\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\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-toggle-title\" tabindex=\"0\">Q1: Is it possible for a PCB to burn even if the current is low?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1871\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1871\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><p>A1: Yes, it is possible it can be due to several reasons such as high ambient temperature, insufficient trace width, or low copper trace.<\/p><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1872\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1872\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\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-toggle-title\" tabindex=\"0\">Q2: Can we use online calculators for calculating trace widths?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1872\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1872\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BWQ0dJKPTovPhYx6XTfc9xMAngc\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZGjidQpZuouEMuxnruBcR4Ujndg\"><p>A2: For less critical designs, calculators based on standards such as IPC-2152 can help for preliminary designs, but for more critical designs, it is better to seek a specialist to evaluate the design.<\/p><\/div><\/div><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1873\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1873\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\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-toggle-title\" tabindex=\"0\">Q3: Should the trace width change depending on the high ambient temperature?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1873\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1873\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-VIvSds1JnokGWWxGglucirLXn4O\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XizidTe9soWkg0xX1N9cjCycnJd\">A3: An increase in ambient temperature will further reduce the thermal margin so it calls for more border traces to help with heat dissipation.<\/div><\/div><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1874\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-1874\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\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-toggle-title\" tabindex=\"0\">Q4: Is it better to make the traces wider? <\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1874\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-1874\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-VIvSds1JnokGWWxGglucirLXn4O\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XizidTe9soWkg0xX1N9cjCycnJd\">A4: Not necessarily. With some designs, it can lead to a high level of congestion, and with high frequency designs it can also lead to impedance issues.<\/div><\/div><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1875\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-1875\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\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-toggle-title\" tabindex=\"0\">Q5: Does a solder mask change the trace carrying capacity? <\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1875\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-1875\"><div data-page-id=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-VPondDpFroncNDx3m31cyXrbn2b\">It can. A solder mask increases heat retention and this could mean that the outer layers need a wider trace.<\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Q1: Is it possible for a PCB to burn even if the current is low?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div data-page-id=\\\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\\\" data-lark-html-role=\\\"root\\\" data-docx-has-block-data=\\\"false\\\"><div data-page-id=\\\"PzvadCyLxoGC6axfsi0cBB2BnWf\\\" data-lark-html-role=\\\"root\\\" data-docx-has-block-data=\\\"false\\\"><p>A1: Yes, it is possible it can be due to several reasons such as high ambient temperature, insufficient trace width, or low copper trace.<\\\/p><\\\/div><\\\/div>\"}},{\"@type\":\"Question\",\"name\":\"Q2: Can we use online calculators for calculating trace widths?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div data-page-id=\\\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\\\" data-lark-html-role=\\\"root\\\" data-docx-has-block-data=\\\"false\\\"><div class=\\\"ace-line ace-line old-record-id-BWQ0dJKPTovPhYx6XTfc9xMAngc\\\"><div data-page-id=\\\"PzvadCyLxoGC6axfsi0cBB2BnWf\\\" data-lark-html-role=\\\"root\\\" data-docx-has-block-data=\\\"false\\\"><div class=\\\"ace-line ace-line old-record-id-ZGjidQpZuouEMuxnruBcR4Ujndg\\\"><p>A2: For less critical designs, calculators based on standards such as IPC-2152 can help for preliminary designs, but for more critical designs, it is better to seek a specialist to evaluate the design.<\\\/p><\\\/div><\\\/div><\\\/div><\\\/div>\"}},{\"@type\":\"Question\",\"name\":\"Q3: Should the trace width change depending on the high ambient temperature?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div data-page-id=\\\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\\\" data-lark-html-role=\\\"root\\\" data-docx-has-block-data=\\\"false\\\"><div class=\\\" old-record-id-VIvSds1JnokGWWxGglucirLXn4O\\\"><div data-page-id=\\\"PzvadCyLxoGC6axfsi0cBB2BnWf\\\" data-lark-html-role=\\\"root\\\" data-docx-has-block-data=\\\"false\\\"><div class=\\\"ace-line ace-line old-record-id-XizidTe9soWkg0xX1N9cjCycnJd\\\">A3: An increase in ambient temperature will further reduce the thermal margin so it calls for more border traces to help with heat dissipation.<\\\/div><\\\/div><\\\/div><\\\/div>\"}},{\"@type\":\"Question\",\"name\":\"Q4: Is it better to make the traces wider?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div data-page-id=\\\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\\\" data-lark-html-role=\\\"root\\\" data-docx-has-block-data=\\\"false\\\"><div class=\\\" old-record-id-VIvSds1JnokGWWxGglucirLXn4O\\\"><div data-page-id=\\\"PzvadCyLxoGC6axfsi0cBB2BnWf\\\" data-lark-html-role=\\\"root\\\" data-docx-has-block-data=\\\"false\\\"><div class=\\\"ace-line ace-line old-record-id-XizidTe9soWkg0xX1N9cjCycnJd\\\">A4: Not necessarily. With some designs, it can lead to a high level of congestion, and with high frequency designs it can also lead to impedance issues.<\\\/div><\\\/div><\\\/div><\\\/div>\"}},{\"@type\":\"Question\",\"name\":\"Q5: Does a solder mask change the trace carrying capacity?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div data-page-id=\\\"YAw8dOcYOoxkCIxJmsccHhEBnAd\\\" data-lark-html-role=\\\"root\\\" data-docx-has-block-data=\\\"false\\\"><div class=\\\"ace-line ace-line old-record-id-VPondDpFroncNDx3m31cyXrbn2b\\\">It can. A solder mask increases heat retention and this could mean that the outer layers need a wider trace.<\\\/div><\\\/div>\"}}]}<\/script>\n\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-3e1a0d74 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3e1a0d74\" 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-7346fd6\" data-id=\"7346fd6\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-248216a7 elementor-widget elementor-widget-text-editor\" data-id=\"248216a7\" 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=\"YAw8dOcYOoxkCIxJmsccHhEBnAd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><p><strong>Reference:<\/strong><\/p><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-IUsddkxJnoz7dax5l7Gc7ju5noh\" data-list=\"bullet\"><div>Ghosh, P. (2021, July 20). IPC-2221 Standards in PCB Design. Sierra Circuits. <u><a href=\"https:\/\/www.protoexpress.com\/blog\/ipc-2221-circuit-board-design\/\" data-lark-is-custom=\"true\" rel=\"nofollow noopener\" target=\"_blank\">https:\/\/www.protoexpress.com\/blog\/ipc-2221-circuit-board-design\/<\/a><\/u><\/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-72b68d12 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"72b68d12\" 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-46a34694\" data-id=\"46a34694\" 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-7f5dff4 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7f5dff4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\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-651c3920 elementor-widget elementor-widget-shortcode\" data-id=\"651c3920\" 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\" 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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 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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 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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; 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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 Several issues need to be addressed when designing PCBs, including material selection, trace length, PCB trace width and impedance matching. The copper pathways on a Printed Circuit Board, also known as traces, serve as electrical connectors.The width of a PCB trace determines how much current it can safely carry without causing an [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":21854,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[134],"class_list":["post-21853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-pcb-design"],"_links":{"self":[{"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/posts\/21853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/comments?post=21853"}],"version-history":[{"count":14,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/posts\/21853\/revisions"}],"predecessor-version":[{"id":21875,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/posts\/21853\/revisions\/21875"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/media\/21854"}],"wp:attachment":[{"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/media?parent=21853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/categories?post=21853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.elepcb.com\/hu\/wp-json\/wp\/v2\/tags?post=21853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}