{"id":23963,"date":"2026-04-16T18:15:04","date_gmt":"2026-04-16T10:15:04","guid":{"rendered":"https:\/\/www.bestpcbs.com\/blog\/?p=23963"},"modified":"2026-04-16T18:16:28","modified_gmt":"2026-04-16T10:16:28","slug":"shengyi-s1141-fr4-pcb-laminate-pcb-manufacturer","status":"publish","type":"post","link":"https:\/\/www.bestpcbs.com\/blog\/2026\/04\/shengyi-s1141-fr4-pcb-laminate-pcb-manufacturer\/","title":{"rendered":"Shengyi S1141 FR4 PCB Laminate | PCB Manufacturer"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/04\/shengyi-s1141-fr4-pcb-laminate-pcb-manufacturer\/#What_Is_Shengyi_S1141_PCB_Material\" >What Is Shengyi S1141 PCB Material?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/04\/shengyi-s1141-fr4-pcb-laminate-pcb-manufacturer\/#Shengyi_S1141_FR4_Datasheet\" >Shengyi S1141 FR4 Datasheet<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/04\/shengyi-s1141-fr4-pcb-laminate-pcb-manufacturer\/#Why_Choose_Shengyi_S1141_Over_Standard_FR-4\" >Why Choose Shengyi S1141 Over Standard FR-4?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/04\/shengyi-s1141-fr4-pcb-laminate-pcb-manufacturer\/#What_Applications_Use_Shengyi_S1141_PCB_Material\" >What Applications Use Shengyi S1141 PCB Material?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/04\/shengyi-s1141-fr4-pcb-laminate-pcb-manufacturer\/#How_Does_Shengyi_S1141_Compare_to_Rogers_Materials\" >How Does Shengyi S1141 Compare to Rogers Materials?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/04\/shengyi-s1141-fr4-pcb-laminate-pcb-manufacturer\/#Get_a_Quote_for_Shengyi_S1141_PCB_Today\" >Get a Quote for Shengyi S1141 PCB Today<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/04\/shengyi-s1141-fr4-pcb-laminate-pcb-manufacturer\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"yzp-no-index\"><\/div>\n<p><strong><a href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/04\/shengyi-s1141-fr4-pcb-laminate-pcb-manufacturer\/\" title=\"\">Shengyi S1141 PCB material<\/a><\/strong> is widely used in cost-sensitive electronics manufacturing due to its stable performance and reliable processing characteristics. As a standard FR-4 laminate, it offers balanced thermal, electrical, and mechanical properties, making it suitable for a wide range of PCB applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_Shengyi_S1141_PCB_Material\"><\/span>What Is Shengyi S1141 PCB Material?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Shengyi S1141 is a <strong><a href=\"https:\/\/www.bestpcbs.com\/products\/FR4-pcb.htm\" title=\"\">mid-Tg FR-4 epoxy glass laminate<\/a><\/strong>, designed for general-purpose <a href=\"https:\/\/www.bestpcbs.com\/products\/FR4-pcb.htm\" title=\"\">PCB fabrication<\/a>. It belongs to the Shengyi standard FR4 material series and is commonly used in multilayer PCB production.<\/p>\n\n\n\n<p>Key characteristics include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tg around 140\u00b0C<\/li>\n\n\n\n<li>Good mechanical stability<\/li>\n\n\n\n<li>Compatible with standard SMT processes<\/li>\n\n\n\n<li>Cost-effective compared to high-Tg materials<\/li>\n<\/ul>\n\n\n\n<p>Unlike high-end laminates, S1141 focuses on <strong>manufacturing efficiency and affordability<\/strong>, which is why it remains popular in high-volume production.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/04\/shengyi-S1141-fr4-pcb-laminate.png\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/04\/shengyi-S1141-fr4-pcb-laminate.png\" alt=\"\" class=\"wp-image-23979\" style=\"width:840px;height:auto\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Shengyi_S1141_FR4_Datasheet\"><\/span>Shengyi S1141 FR4 Datasheet<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Below is a detailed datasheet-style specification table for <a href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/04\/shengyi-s1141-fr4-pcb-laminate-pcb-manufacturer\/\">Shengyi S1141 material<\/a>. These values are typical and may vary slightly depending on resin content and laminate thickness.<\/p>\n\n\n\n<p><strong>Electrical Properties<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Parameter<\/strong><\/td><td><strong>Typical Value<\/strong><\/td><td><strong>Test Condition<\/strong><\/td><\/tr><tr><td>Dielectric Constant (Dk)<\/td><td>4.3 \u00b1 0.1<\/td><td>@1MHz<\/td><\/tr><tr><td>Dielectric Constant (Dk)<\/td><td>4.1 \u2013 4.2<\/td><td>@1GHz<\/td><\/tr><tr><td>Dissipation Factor (Df)<\/td><td>0.018<\/td><td>@1MHz<\/td><\/tr><tr><td>Dissipation Factor (Df)<\/td><td>0.015 \u2013 0.017<\/td><td>@1GHz<\/td><\/tr><tr><td>Volume Resistivity<\/td><td>\u2265 1\u00d710\u2076 M\u03a9\u00b7cm<\/td><td>C-96\/35\/90<\/td><\/tr><tr><td>Surface Resistivity<\/td><td>\u2265 1\u00d710\u2075 M\u03a9<\/td><td>C-96\/35\/90<\/td><\/tr><tr><td>Dielectric Breakdown Voltage<\/td><td>\u2265 40 kV<\/td><td>ASTM D149<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Thermal Properties<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Parameter<\/strong><\/td><td><strong>Typical Value<\/strong><\/td><td><strong>Test Method<\/strong><\/td><\/tr><tr><td>Glass Transition Temperature (Tg)<\/td><td>~170\u00b0C<\/td><td>DSC<\/td><\/tr><tr><td>Thermal Decomposition (Td)<\/td><td>&gt;300\u00b0C<\/td><td>TGA (5%)<\/td><\/tr><tr><td>T260<\/td><td>\u2265 60 min<\/td><td>IPC-TM-650<\/td><\/tr><tr><td>T288<\/td><td>\u2265 20 min<\/td><td>IPC-TM-650<\/td><\/tr><tr><td>Z-axis CTE (Below Tg)<\/td><td>~50 ppm\/\u00b0C<\/td><td>TMA<\/td><\/tr><tr><td>Z-axis CTE (Above Tg)<\/td><td>~260 ppm\/\u00b0C<\/td><td>TMA<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Mechanical Properties<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Parameter<\/strong><\/td><td><strong>Typical Value<\/strong><\/td><td><strong>Test Method<\/strong><\/td><\/tr><tr><td>Flexural Strength<\/td><td>\u2265 450 MPa<\/td><td>IPC-TM-650<\/td><\/tr><tr><td>Peel Strength (1 oz Cu)<\/td><td>\u2265 1.0 N\/mm<\/td><td>IPC-TM-650<\/td><\/tr><tr><td>Density<\/td><td>~1.85 g\/cm\u00b3<\/td><td>ASTM D792<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Physical &amp; Reliability Properties<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Parameter<\/strong><\/td><td><strong>Typical Value<\/strong><\/td><td><strong>Condition<\/strong><\/td><\/tr><tr><td>Moisture Absorption<\/td><td>\u2264 0.15%<\/td><td>D-24\/23<\/td><\/tr><tr><td>Flammability Rating<\/td><td>UL94 V-0<\/td><td>UL Standard<\/td><\/tr><tr><td>CAF Resistance<\/td><td>High<\/td><td>IPC standard<\/td><\/tr><tr><td>Thermal Conductivity<\/td><td>~0.3 W\/m\u00b7K<\/td><td>Typical<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>When designing <a href=\"https:\/\/www.bestpcbs.com\/products\/impedance-control-pcb.html\">impedance-controlled PCBs<\/a> using S1141, it is recommended to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use <strong>field solver tools<\/strong> for stack-up calculation<\/li>\n\n\n\n<li>Consider <strong>frequency-dependent Dk\/Df variation<\/strong><\/li>\n\n\n\n<li>Validate with <strong>impedance coupons during fabrication<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Choose_Shengyi_S1141_Over_Standard_FR-4\"><\/span>Why Choose Shengyi S1141 Over Standard FR-4?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Compared with conventional FR-4 materials, S1141 provides noticeable improvements in electrical stability and signal transmission quality.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Feature<\/strong><\/td><td><strong>Standard FR-4<\/strong><\/td><td><strong>Shengyi S1141<\/strong><\/td><\/tr><tr><td>Signal Loss<\/td><td>Higher<\/td><td>Lower<\/td><\/tr><tr><td>Impedance Stability<\/td><td>Moderate<\/td><td>More stable<\/td><\/tr><tr><td>High-Speed Support<\/td><td>Limited<\/td><td>Suitable for GHz-level<\/td><\/tr><tr><td>Thermal Reliability<\/td><td>Standard<\/td><td>Enhanced<\/td><\/tr><tr><td>Cost<\/td><td>Low<\/td><td>Moderate<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>When signal frequency exceeds ~1GHz or edge rates become fast, standard FR-4 begins to show higher insertion loss. S1141 mitigates this issue without moving to expensive RF materials.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Applications_Use_Shengyi_S1141_PCB_Material\"><\/span>What Applications Use Shengyi S1141 PCB Material?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Shengyi S1141 is widely adopted in applications where <strong>signal integrity, reliability, and cost balance<\/strong> are required.<\/p>\n\n\n\n<p><strong>Typical Applications<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Networking equipment (routers, switches)<\/li>\n\n\n\n<li>Industrial control systems<\/li>\n\n\n\n<li>Automotive electronics (ADAS, control modules)<\/li>\n\n\n\n<li>Power supply and inverter boards<\/li>\n\n\n\n<li>Communication infrastructure<\/li>\n\n\n\n<li>Consumer electronics with high-speed interfaces<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_Shengyi_S1141_Compare_to_Rogers_Materials\"><\/span>How Does Shengyi S1141 Compare to Rogers Materials?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>S1141 is often considered a <strong>cost-effective alternative<\/strong> to high-frequency laminates like Rogers.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Parameter<\/strong><\/td><td><strong>S1141<\/strong><\/td><td><strong>Rogers (e.g., RO4350B)<\/strong><\/td><\/tr><tr><td>Cost<\/td><td>Medium<\/td><td>High<\/td><\/tr><tr><td>Df<\/td><td>Moderate<\/td><td>Very Low<\/td><\/tr><tr><td>RF Performance<\/td><td>Good<\/td><td>Excellent<\/td><\/tr><tr><td>Processing<\/td><td>FR-4 compatible<\/td><td>Special handling<\/td><\/tr><tr><td>Application<\/td><td>Digital + mid RF<\/td><td>High-frequency RF<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Conclusion:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Choose <strong>S1141<\/strong> for high-speed digital and cost-sensitive designs<\/li>\n\n\n\n<li>Choose Rogers for <strong>pure RF and microwave applications<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Get_a_Quote_for_Shengyi_S1141_PCB_Today\"><\/span>Get a Quote for Shengyi S1141 PCB Today<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>If your project requires <strong>stable signal performance, controlled impedance, and cost efficiency<\/strong>, Shengyi S1141 is a strong candidate.<\/p>\n\n\n\n<p>At <strong><a href=\"https:\/\/www.bestpcbs.com\/\" title=\"\">EBest Circuit (Best Technology)<\/a><\/strong>, we provide:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Free DFM analysis<\/li>\n\n\n\n<li>Material selection guidance<\/li>\n\n\n\n<li>Fast prototyping and mass production<\/li>\n<\/ul>\n\n\n\n<p>&#x1f4e9; Contact us:<\/p>\n\n\n\n<p><strong><a href=\"mailto:sales@bestpcbs.com\">sales@bestpcbs.com<\/a><\/strong><br><strong><a href=\"https:\/\/www.bestpcb.vn\/\">sales@bestpcb.vn<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>1. What is the dielectric constant of Shengyi S1141?<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<p>The dielectric constant typically ranges from <strong>4.1 to 4.3 at 1GHz<\/strong>, offering stable impedance control for high-speed designs.<\/p>\n\n\n\n<p><strong>2. Is S1141 better than standard FR-4?<\/strong><\/p>\n\n\n\n<p>Yes, it provides <strong>lower loss and better signal integrity<\/strong>, making it more suitable for high-speed applications.<\/p>\n\n\n\n<p><strong>3. Can S1141 replace Rogers materials?<\/strong><\/p>\n\n\n\n<p>Partially. It can replace Rogers in <strong>mid-frequency applications<\/strong>, but not in high-frequency RF designs above several GHz.<\/p>\n\n\n\n<p><strong>4. Is Shengyi S1141 suitable for automotive electronics?<\/strong><\/p>\n\n\n\n<p>Yes, due to its <strong>thermal stability and reliability<\/strong>, it is widely used in automotive control systems.<\/p>\n\n\n\n<p><strong>5. What layer count is suitable for S1141?<\/strong><\/p>\n\n\n\n<p>It is commonly used in <strong>4-layer to 16-layer PCBs<\/strong>, and can support higher layer counts depending on design.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Shengyi S1141 PCB material is widely used in cost-sensitive electronics manufacturing due to its stable performance and reliable processing characteristics. As a standard FR-4 laminate, it offers balanced thermal, electrical, and mechanical properties, making it suitable for a wide range of PCB applications. What Is Shengyi S1141 PCB Material? Shengyi S1141 is a mid-Tg FR-4 [&hellip;]<\/p>\n","protected":false},"author":623,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[175,174,165],"tags":[5303,5302],"class_list":["post-23963","post","type-post","status-publish","format-standard","hentry","category-best-pcb","category-bestpcb","category-fr4-pcb","tag-shengyi-s1141","tag-shengyi-s1141-fr4"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/23963","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/users\/623"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/comments?post=23963"}],"version-history":[{"count":4,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/23963\/revisions"}],"predecessor-version":[{"id":23987,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/23963\/revisions\/23987"}],"wp:attachment":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/media?parent=23963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/categories?post=23963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/tags?post=23963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}