{"id":38150,"date":"2025-07-17T02:13:24","date_gmt":"2025-07-17T02:13:24","guid":{"rendered":"https:\/\/www.fs-pcba.com\/?p=38150"},"modified":"2025-11-17T01:50:39","modified_gmt":"2025-11-17T01:50:39","slug":"pcb-substrate-resistance-guide","status":"publish","type":"post","link":"https:\/\/www.fs-pcba.com\/it\/pcb-substrate-resistance-guide\/","title":{"rendered":"La base di un PCB ha una bassa resistenza? Capire i substrati dei PCB"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"38150\" class=\"elementor elementor-38150\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ad4e089 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"ad4e089\" 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-33 elementor-top-column elementor-element elementor-element-2c6778c\" data-id=\"2c6778c\" 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-ecae52f elementor-widget__width-initial elementor-fixed elementor-toc--content-ellipsis elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"ecae52f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;_position&quot;:&quot;fixed&quot;,&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;],&quot;collapse_subitems&quot;:&quot;yes&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<div class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/div>\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__ecae52f\" 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__ecae52f\" 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__ecae52f\" class=\"elementor-toc__body elementor-toc__list-items--collapsible\">\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\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-d405a4d\" data-id=\"d405a4d\" 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-db41154 elementor-widget elementor-widget-spacer\" data-id=\"db41154\" 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-33cc032 elementor-widget elementor-widget-heading\" data-id=\"33cc032\" 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<h1 class=\"elementor-heading-title elementor-size-default\">Does a PCB Base Have Low Resistance?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4079963 elementor-widget elementor-widget-shortcode\" data-id=\"4079963\" 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\">    <style>\n        .vertical-divider {\n            height: 7px; \/* \u8bbe\u7f6e\u5206\u5272\u7ebf\u9ad8\u5ea6 *\/\n            background:#006FAD;\n        }\n    <\/style>\n<div class=\"vertical-divider\"><\/div>    <\/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-48e0d73 elementor-widget elementor-widget-text-editor\" data-id=\"48e0d73\" 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>Did you ever wonder how your electronic devices work so smoothly? It starts with the circuit board substrate. Electrical signal integrity and insulation rely on one thing: high <strong>PCB substrate resistance<\/strong>. Copper lines having low resistance are formed in the design of a PCB for free movement of the current. Unlike conductive copper lines, the PCB base material (substrate) acts as an insulator, specifically designed to block unwanted interfering currents, thereby preventing short circuits and signal interference. This article will reveal why the PCB substrate deliberately blocks current and how this &#8220;controlled resistance&#8221; ensures that your device runs perfectly.<\/p>\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-1388849 elementor-widget elementor-widget-text-editor\" data-id=\"1388849\" 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<h2><b>What is a Circuit Board Base (Substrate)?<\/b><\/h2><p><span style=\"font-weight: 400;\">A circuit board base, or substrate, is an insulating material at the bottom of a PCB that provides structural integrity and electrical insulation to the conductive traces and <a href=\"https:\/\/www.fs-pcba.com\/electronic-components\/\"><span style=\"text-decoration: underline;\">electronic components<\/span><\/a> on the board.<\/span><\/p>\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-62d8602 elementor-widget elementor-widget-text-editor\" data-id=\"62d8602\" 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<h2><b>Role of Substrate in PCB Design<\/b><\/h2><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The substrate lays the foundation of strength, shape, and durability for the board.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It insulates copper traces from each other electrically to prevent <span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.fs-pcba.com\/pcb-short-circuit\/\">short circuits<\/a><\/span>.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It offers support for electronic components to be mounted upon it, holding them in place and aligned.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The substrate provides a significant gap among the conductive layers of <strong><a href=\"https:\/\/www.fs-pcba.com\/china-multilayer-pcb-supplier\/\"><span style=\"text-decoration: underline;\">multilayer PCBs<\/span><\/a><\/strong>.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It regulates temperature during operation the thermal performance of the board to withstand heat when operational.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00a0At higher frequencies, it might directly affect signal integrity and the general electrical performance of the PCB.<\/span><\/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-1669c4a elementor-widget elementor-widget-text-editor\" data-id=\"1669c4a\" 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<h2><b>Why Resistance Matters in Circuits?<\/b><\/h2><p><span style=\"font-weight: 400;\">Resistance facilitates and takes account of the volume of current flowing through every section in a circuit. It authorizes designers to counter levels of voltage, match components like <strong><span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.fs-pcba.com\/pcba-for-led-lighting-system\/\">LEDs<\/a><\/span><\/strong> and resistors, and distribute power flow efficiently inside the circuit. In the absence of adequate resistance, signal integrity might be diminished, which eventually affects the entire working mechanism of the circuit. Resistance also ensures protection against overloads by regulating current. Generally, resistance plays a significant role in the operational behaviour of a circuit board and responds to all types of electrical input.<\/span><\/p>\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-3273899 elementor-widget elementor-widget-text-editor\" data-id=\"3273899\" 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<h2><b>Electrical Properties of PCB Base Materials<\/b><\/h2><p><span style=\"font-weight: 400;\">The PCB base is required to offer reliable insulation. It should be of high electrical resistance. For instance, <a href=\"https:\/\/www.fs-pcba.com\/fr4-pcb\/\"><span style=\"text-decoration: underline;\"><strong>FR-4<\/strong><\/span><\/a> and similar materials are preferred because they are good insulators, not conductors.<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Very little current can be transferred through the substrate itself.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The main purpose of the substrate is to prevent unwanted electrical pathways between <a href=\"https:\/\/www.fs-pcba.com\/pcb-trace\/\"><span style=\"text-decoration: underline;\">traces<\/span><\/a> and <a href=\"https:\/\/www.fs-pcba.com\/identify-pcb-components\/\"><span style=\"text-decoration: underline;\">components<\/span><\/a>.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The high dielectric constant (Dk) supports strong signal integrity and insulation under high-frequency conditions.<\/span><\/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-9c9f8ad elementor-widget elementor-widget-text-editor\" data-id=\"9c9f8ad\" 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<h2><b>Why High PCB Substrate Resistance Is Essential in Circuit?<\/b><\/h2><p><span style=\"font-weight: 400;\">A high-resistance PCB substrate is required as it keeps electricity flowing only in the specific copper tracks and restricts the unrouted flow of current. This contributes to lowering the risk of short circuits and delicate signals. High PCB substrate resistance also eliminates unwanted current leakage and reduces noise interference, which is acknowledged as vital in high-speed or high-frequency applications. On the other hand, if the base has low resistance, electricity goes off course, which can lead the entire electrical board to fail.<\/span><\/p>\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-9b79998 elementor-widget elementor-widget-text-editor\" data-id=\"9b79998\" 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<h2><b>Scenarios Where Low Resistance May Be Considered<\/b><\/h2><p><span style=\"font-weight: 400;\">Low resistance is often considered appropriate for traces and copper planes, but not for the base. Certain specialized PCB designs with an insulating layer to block conduction use substrates with more thermal conductivity, like <a href=\"https:\/\/www.fs-pcba.com\/mcpcb\/\"><span style=\"text-decoration: underline;\"><strong>metal-core PCBs<\/strong><\/span><\/a> within the base. In certain power electronics, a metal substrate could be used by keeping an insulating barrier between copper and metal for electrical insulation.<\/span><\/p>\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-2e9593b elementor-widget elementor-widget-text-editor\" data-id=\"2e9593b\" 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<h2><b>Comparing Base and Trace Resistance<\/b><\/h2><p><span style=\"font-weight: 400;\">When comparing a PCB&#8217;s traces to its base, their resistances are noticeably different because each part is designed for the specific purpose of controlling electrical current.<\/span><\/p><table><tbody><tr><td><p><b>Feature<\/b><\/p><\/td><td><p><b>PCB Base (Substrate)<\/b><\/p><\/td><td><p><b>PCB Traces (Copper)<\/b><\/p><\/td><\/tr><tr><td><p><b>Material<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">Insulator (e.g., FR-4)<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Conductor (Copper)<\/span><\/p><\/td><\/tr><tr><td><p><b>Electrical Resistance<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">Very high (insulator)<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Very low (conductor)<\/span><\/p><\/td><\/tr><tr><td><p><b>Purpose<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">Mechanical support, insulation<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Carry electrical signals<\/span><\/p><\/td><\/tr><tr><td><p><b>Desired Resistance<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">As high as possible<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">As low as possible<\/span><\/p><\/td><\/tr><\/tbody><\/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-9a4cbdb elementor-widget elementor-widget-text-editor\" data-id=\"9a4cbdb\" 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<h2><b>Common Myths and Misconceptions<\/b><\/h2><table><tbody><tr><td><p><b> Misconceptions<\/b><\/p><\/td><td><p><b>Facts<\/b><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">The entire PCB has low resistance<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Only the copper traces have low resistance; the base (substrate) is a high-resistance insulator.<\/span><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">All PCB design rules are the same for every board<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Different boards require unique design rules based on their function and materials.<\/span><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">PCBs only serve as a support material for components and doesn\u2019t affect performance in any case<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.fs-pcba.com\/what-are-pcb-boards-made-of\/\"><span style=\"text-decoration: underline;\">PCB material<\/span><\/a> and layout directly impact device performance, especially at <a href=\"https:\/\/www.fs-pcba.com\/high-speed-pcb\/\"><span style=\"text-decoration: underline;\"><strong>high speeds<\/strong><\/span><\/a>.<\/span><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">Bigger traces are always better<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Trace width should match current and signal needs, not just be as wide as possible.<\/span><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">Thicker copper always improves performance<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Thicker copper helps with current but can cause manufacturing and <a href=\"https:\/\/www.fs-pcba.com\/how-to-reduce-pcb-cost\/\"><span style=\"text-decoration: underline;\">cost issues<\/span><\/a>.<\/span><\/p><\/td><\/tr><tr><td>\u00a0<\/td><td>\u00a0<\/td><\/tr><\/tbody><\/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-2f8a9b0 elementor-widget elementor-widget-shortcode\" data-id=\"2f8a9b0\" 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\">    <style>\n        .vertical-divider {\n            height: 7px; \/* \u8bbe\u7f6e\u5206\u5272\u7ebf\u9ad8\u5ea6 *\/\n            background:#006FAD;\n        }\n    <\/style>\n<div class=\"vertical-divider\"><\/div>    <\/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-39801f5 elementor-widget elementor-widget-text-editor\" data-id=\"39801f5\" 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<h2><b>Conclusion<\/b><\/h2><p><span style=\"font-weight: 400;\">The base of the circuit board is a vital insulator that ensures safe and reliable operation by keeping current strictly within copper traces. Understanding the specific functions of the base and traces eliminates design faults and device failure. Properties of traces and substrate should always be on the designer&#8217;s radar while designing or troubleshooting a PCB for optimal output on various projects.<\/span><\/p><p>Power your electronics with precision and reliability. Partner with\u00a0<a href=\"https:\/\/www.fs-pcba.com\/\" target=\"_blank\" rel=\"noopener\"><span style=\"text-decoration: underline;\"><strong>FS PCBA<\/strong><\/span><\/a>\u00a0for high-quality, expertly engineered circuit boards.<\/p>\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-cb9fc37 elementor-widget elementor-widget-heading\" data-id=\"cb9fc37\" 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\">FAQs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-205a6e1 elementor-widget elementor-widget-accordion\" data-id=\"205a6e1\" 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-3391\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-3391\" 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-right\" 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-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/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\">Does the PCB base carry electricity?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-3391\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-3391\"><p><span style=\"font-weight: 400;\">No, the PCB base is not conductive electrically. It is made of insulators like FR4 or <a href=\"https:\/\/www.fs-pcba.com\/ceramic-pcb-manufacturer\/\"><span style=\"text-decoration: underline;\"><strong>ceramics<\/strong><\/span><\/a> with high resistance. This prevents unwanted current flow and guides electrical flow only in the desired copper traces.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-3392\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-3392\" 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-right\" 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-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/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\">What actually conducts current in a PCB?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-3392\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-3392\"><p><span style=\"font-weight: 400;\">The copper traces of low resistance conduct current in a PCB. In the electric board, the base only delivers mechanical support and insulation, while copper traces provide easy conduction of electricity between components.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-3393\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-3393\" 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-right\" 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-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/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\">Why Low Resistance Is Needed in High-Speed or Power-Consuming Circuits?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-3393\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-3393\"><p><span style=\"font-weight: 400;\">Low trace resistance is essential in minimizing the loss of power, heat generation, and signal degradation. In high-speed or power-leading circuits, it provides optimal effective current conduction, enhanced performance, and prevents voltage drops that can disrupt signal integrity or damage components.<\/span><\/p><\/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\":\"Does the PCB base carry electricity?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">No, the PCB base is not conductive electrically. It is made of insulators like FR4 or <a href=\\\"https:\\\/\\\/www.fs-pcba.com\\\/ceramic-pcb-manufacturer\\\/\\\"><span style=\\\"text-decoration: underline;\\\"><strong>ceramics<\\\/strong><\\\/span><\\\/a> with high resistance. This prevents unwanted current flow and guides electrical flow only in the desired copper traces.<\\\/span><\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"What actually conducts current in a PCB?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">The copper traces of low resistance conduct current in a PCB. In the electric board, the base only delivers mechanical support and insulation, while copper traces provide easy conduction of electricity between components.<\\\/span><\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Why Low Resistance Is Needed in High-Speed or Power-Consuming Circuits?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">Low trace resistance is essential in minimizing the loss of power, heat generation, and signal degradation. In high-speed or power-leading circuits, it provides optimal effective current conduction, enhanced performance, and prevents voltage drops that can disrupt signal integrity or damage components.<\\\/span><\\\/p>\"}}]}<\/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<aside class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-6bd570c\" data-id=\"6bd570c\" 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-71f4a51 elementor-widget elementor-widget-spacer\" data-id=\"71f4a51\" 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<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-f697a38 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f697a38\" 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-inner-column elementor-element elementor-element-9b64eed\" data-id=\"9b64eed\" 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-c8383d4 elementor-widget elementor-widget-heading\" data-id=\"c8383d4\" 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<span class=\"elementor-heading-title elementor-size-large\">Service<\/span>\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-inner-section elementor-element elementor-element-23c803c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"23c803c\" 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-inner-column elementor-element elementor-element-1791d97\" data-id=\"1791d97\" 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-e88cf3b elementor-align-end active elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"e88cf3b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/ic-programming-service\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-chevron-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">IC Programming<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li 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href=\"https:\/\/www.fs-pcba.com\/pcb-assembly\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-chevron-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PCB Assembly<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/pcba-prototyping\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-chevron-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PCBA Prototype<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/cable-and-wire-harness-assembly\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-chevron-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Harness Assembly<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/box-build-assembly\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-chevron-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Box Build Assembly<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.fs-pcba.com\/pcb-test\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas 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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-8f0deec elementor-widget elementor-widget-heading\" data-id=\"8f0deec\" 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<span class=\"elementor-heading-title elementor-size-large\">Quote<\/span>\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 class=\"elementor-element elementor-element-61f23ac elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"61f23ac\" data-element_type=\"widget\" data-e-type=\"widget\" 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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\">Send<\/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<\/aside>\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-6af7b482 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"6af7b482\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\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-1190261c\" data-id=\"1190261c\" data-element_type=\"column\" data-e-type=\"column\" 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Did you ever wonder how your electronic devices work so smoothly? It starts with the circuit board substrate. Electrical signal integrity and insulation rely on one thing: high PCB substrate resistance. Copper lines having low resistance are formed in the design of a PCB for [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[19,17],"tags":[],"class_list":["post-38150","post","type-post","status-publish","format-standard","hentry","category-ordering-assistance","category-knowledge-of-pcb"],"_links":{"self":[{"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/posts\/38150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/comments?post=38150"}],"version-history":[{"count":0,"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/posts\/38150\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/media?parent=38150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/categories?post=38150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fs-pcba.com\/it\/wp-json\/wp\/v2\/tags?post=38150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}