{"id":585,"date":"2026-04-14T08:35:00","date_gmt":"2026-04-14T00:35:00","guid":{"rendered":"https:\/\/www.han-sphere.com\/?p=585"},"modified":"2026-04-07T23:44:05","modified_gmt":"2026-04-07T15:44:05","slug":"pcb-substrate-material-selection-guide","status":"publish","type":"post","link":"https:\/\/www.han-sphere.com\/de\/blog\/news\/pcb-substrate-material-selection-guide\/","title":{"rendered":"Leitfaden zur Auswahl von PCB-Substraten: Wie ein zuverl\u00e4ssiger PCB-Lieferant die Materialien in der PCB-Fabrik optimiert"},"content":{"rendered":"\n<p>In the eyes of a layman, a PCB is just a green piece of plastic. But for a hardware engineer, the substrate is the foundation of the entire electrical system. Choosing the right material involves a delicate balance between cost, thermal performance, and signal loss.<\/p>\n\n\n\n<p>As a veteran <strong>PCB supplier<\/strong>, we know that the &#8220;cheapest&#8221; material often leads to the most expensive failures. Here is how our <strong>PCB factory<\/strong> classifies and selects the best laminates for your specific application.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"506\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-19.jpg\" alt=\"FR4 PCB\" class=\"wp-image-526\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-19.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-19-300x253.jpg 300w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/03\/FR4-PCB-19-14x12.jpg 14w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">1. Standard FR4: The Industry Workhorse<\/h2>\n\n\n\n<p>Most consumer electronics use standard FR4. It is cost-effective and provides decent mechanical strength. However, even within FR4, a professional <strong>PCB factory<\/strong> looks at the &#8220;Tg&#8221; (Glass Transition Temperature).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Standard Tg (130-140\u00b0C):<\/strong> Suitable for simple, low-heat devices.<\/li>\n\n\n\n<li><strong>Mid Tg (150-160\u00b0C):<\/strong> Better for lead-free soldering processes.<\/li>\n\n\n\n<li><strong>High Tg (170\u00b0C+):<\/strong> Essential for multi-layer boards (8+ layers) to <strong>[Prevent Board Failures]<\/strong> during multiple reflow cycles.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. High-Frequency Materials (Rogers &amp; Arlon)<\/h2>\n\n\n\n<p>For RF, 5G, or high-speed digital designs, standard FR4 causes too much signal attenuation.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>The Advantage:<\/strong> Materials like Rogers offer a much lower Dissipation Factor (Df).<\/li>\n\n\n\n<li><strong>The Factory Challenge:<\/strong> These materials are &#8220;soft&#8221; and require specialized plasma etching and drilling parameters. Only an <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/direct-pcb-factory-vs-supplier-advantages\/\">Advanced PCB Factor<\/a>y<\/strong> with specialized equipment can handle Rogers without damaging the delicate copper bond.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. <a href=\"https:\/\/www.han-sphere.com\/ceramic-pcb\/\">Metal Core PCBs<\/a> (MCPCB)<\/h2>\n\n\n\n<p>For LED lighting or power converters, heat is the primary enemy.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>The Solution:<\/strong> Aluminum or Copper-base substrates.<\/li>\n\n\n\n<li><strong>The Supplier Edge:<\/strong> As a <strong>[Direct PCB Factory]<\/strong>, we source high-thermal conductivity prepregs to ensure that heat is efficiently transferred from the component to the metal base.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"406\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/02\/Rigid-PCB-7.jpg\" alt=\"Rigid PCB\" class=\"wp-image-343\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/02\/Rigid-PCB-7.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/02\/Rigid-PCB-7-300x203.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">How to Choose the Right Substrate for Your Design<\/h2>\n\n\n\n<div class=\"schema-how-to wp-block-yoast-how-to-block\"><p class=\"schema-how-to-description\">Don&#8217;t leave the material choice solely to the manufacturer. Follow this checklist during the <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/pcb-supplier-factory-order-workflow\/\">Order Workflow Phase<\/a><\/strong>:<\/p> <ol class=\"schema-how-to-steps\"><li class=\"schema-how-to-step\" id=\"how-to-step-1775576474932\"><strong class=\"schema-how-to-step-name\"><strong>Define Your Max Operating Temperature<\/strong><\/strong> <p class=\"schema-how-to-step-text\">If your device runs in an enclosure above 60\u00b0C, always opt for High-Tg FR4.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1775576514698\"><strong class=\"schema-how-to-step-name\">C<strong>alculate Signal Frequency<\/strong><\/strong> <p class=\"schema-how-to-step-text\">For signals above 5GHz, standard FR4 will likely fail. Consult your <strong>PCB supplier<\/strong> about hybrid stackups (e.g., Rogers on the outer layers, FR4 on the inner layers) to save costs.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1775576528748\"><strong class=\"schema-how-to-step-name\"><strong>Verify Coefficient of Thermal Expansion (CTE)<\/strong><\/strong> <p class=\"schema-how-to-step-text\">In multi-layer boards, different materials expand at different rates. Ensure the factory checks the Z-axis CTE to prevent via cracking.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1775576538080\"><strong class=\"schema-how-to-step-name\"><strong>Check Lead-Free Compatibility<\/strong><\/strong> <p class=\"schema-how-to-step-text\">Ensure the material is rated for T260\/T288 (time to delamination) to survive the high heat of modern assembly lines.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1775576546668\"><strong class=\"schema-how-to-step-name\"><strong>Audit the Raw Material Chain<\/strong><\/strong> <p class=\"schema-how-to-step-text\">Use our guide to <strong>Audit the PCB Supplier<\/strong> to verify they are using genuine A-grade laminates (like Shengyi, Kingboard, or Isola) rather than &#8220;no-name&#8221; recycled stocks.<\/p> <\/li><\/ol><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ: PCB Materials and Laminates<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1775576572119\"><strong class=\"schema-faq-question\"><strong>Q: Can I use standard FR4 for a 24GHz radar project?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>A:<\/strong> No. At 24GHz, the signal loss in FR4 is massive. You must use a high-frequency PTFE-based material like Rogers 3003 or 4350B to maintain signal integrity.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1775576580009\"><strong class=\"schema-faq-question\"><strong>Q: What is &#8220;Tg&#8221; and why does it matter?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>A:<\/strong> Tg is the temperature at which the resin changes from a hard, &#8220;glassy&#8221; state to a soft, &#8220;rubbery&#8221; state. If your <strong>PCB factory<\/strong> uses low-Tg material for a high-layer board, the vias may snap during the soldering process.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1775576589622\"><strong class=\"schema-faq-question\"><strong>Q: Are aluminum PCBs more expensive to manufacture?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>A:<\/strong> The material cost is higher, and the <strong>PCB factory<\/strong> must use specialized diamond-coated drill bits. However, they eliminate the need for bulky external heatsinks, often reducing the total system cost.<\/p> <\/div> <\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Engineering Your Success from the Substrate Up<\/h2>\n\n\n\n<p>At <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.han-sphere.com\/\">Han-Sphere<\/a>, material science is at the core of what we do. As your dedicated <strong>PCB supplier<\/strong>, we help you navigate the thousands of laminate options to find the perfect match for your performance and budget.<\/p>\n\n\n\n<p><strong>Unsure which material to choose?<\/strong> <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.han-sphere.com\/contact\/\">Contact our CAM Engineers<\/a> for a free stackup consultation and see how our <strong>PCB factory<\/strong> can optimize your next high-performance build.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>FR4 ist nicht gleich FR4. Von der thermischen Stabilit\u00e4t bis zur Signalintegrit\u00e4t - das von Ihnen gew\u00e4hlte Substrat entscheidet \u00fcber den Erfolg Ihres Produkts. Erfahren Sie, wie ein professioneller PCB-Lieferant Laminate in der PCB-Fabrik bewertet - einschlie\u00dflich High-Tg- und Rogers-Materialien - um sicherzustellen, dass Ihre Hochleistungs- oder Hochfrequenzdesigns auch unter Druck funktionieren.<\/p>","protected":false},"author":1,"featured_media":523,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[4],"tags":[49],"class_list":["post-585","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-pcb-substrate"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PCB Substrate Selection Guide: How a Reliable PCB Supplier Optimizes Materials at the PCB Factory<\/title>\n<meta name=\"description\" content=\"Choosing the right PCB substrate is critical. 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Erfahren Sie mehr \u00fcber FR4-, High-Tg- und Rogers-Materialien von einem f\u00fchrenden Leiterplattenlieferanten und -hersteller.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.han-sphere.com\/de\/blog\/news\/pcb-substrate-material-selection-guide\/","og_locale":"de_DE","og_type":"article","og_title":"PCB Substrate Selection Guide: How a Reliable PCB Supplier Optimizes Materials at the PCB Factory","og_description":"Choosing the right PCB substrate is critical. 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You must use a high-frequency PTFE-based material like Rogers 3003 or 4350B to maintain signal integrity.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-substrate-material-selection-guide\/#faq-question-1775576580009","position":2,"url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-substrate-material-selection-guide\/#faq-question-1775576580009","name":"F: Was ist \"Tg\" und warum ist es wichtig?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>A:<\/strong> Tg is the temperature at which the resin changes from a hard, \"glassy\" state to a soft, \"rubbery\" state. If your <strong>PCB factory<\/strong> uses low-Tg material for a high-layer board, the vias may snap during the soldering process.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-substrate-material-selection-guide\/#faq-question-1775576589622","position":3,"url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-substrate-material-selection-guide\/#faq-question-1775576589622","name":"F: Sind Leiterplatten aus Aluminium in der Herstellung teurer?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>A:<\/strong> The material cost is higher, and the <strong>PCB factory<\/strong> must use specialized diamond-coated drill bits. However, they eliminate the need for bulky external heatsinks, often reducing the total system cost.","inLanguage":"de"},"inLanguage":"de"},{"@type":"HowTo","@id":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-substrate-material-selection-guide\/#howto-1","name":"Leitfaden zur Auswahl von PCB-Substraten: Wie ein zuverl\u00e4ssiger PCB-Lieferant die Materialien in der PCB-Fabrik optimiert","mainEntityOfPage":{"@id":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-substrate-material-selection-guide\/"},"description":"&Uuml;berlassen Sie die Materialauswahl nicht allein dem Hersteller. Befolgen Sie diese Checkliste bei der &lt;strong&gt;&lt;a href=&quot;https:\/\/www.han-sphere.com\/blog\/news\/pcb-supplier-factory-order-workflow\/&quot;&gt;Workflow-Phase der Bestellung&lt;\/a&gt;&lt;\/strong&gt;:","step":[{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-substrate-material-selection-guide\/#how-to-step-1775576474932","name":"Define Your Max Operating Temperature","itemListElement":[{"@type":"HowToDirection","text":"If your device runs in an enclosure above 60\u00b0C, always opt for High-Tg FR4."}]},{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-substrate-material-selection-guide\/#how-to-step-1775576514698","name":"Calculate Signal Frequency","itemListElement":[{"@type":"HowToDirection","text":"For signals above 5GHz, standard FR4 will likely fail. Consult your <strong>PCB supplier<\/strong> about hybrid stackups (e.g., Rogers on the outer layers, FR4 on the inner layers) to save costs."}]},{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-substrate-material-selection-guide\/#how-to-step-1775576528748","name":"Verify Coefficient of Thermal Expansion (CTE)","itemListElement":[{"@type":"HowToDirection","text":"In multi-layer boards, different materials expand at different rates. Ensure the factory checks the Z-axis CTE to prevent via cracking."}]},{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-substrate-material-selection-guide\/#how-to-step-1775576538080","name":"Check Lead-Free Compatibility","itemListElement":[{"@type":"HowToDirection","text":"Ensure the material is rated for T260\/T288 (time to delamination) to survive the high heat of modern assembly lines."}]},{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-substrate-material-selection-guide\/#how-to-step-1775576546668","name":"Audit the Raw Material Chain","itemListElement":[{"@type":"HowToDirection","text":"Use our guide to <strong>Audit the PCB Supplier<\/strong> to verify they are using genuine A-grade laminates (like Shengyi, Kingboard, or Isola) rather than \"no-name\" recycled stocks."}]}],"inLanguage":"de"}]}},"_links":{"self":[{"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/posts\/585","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/comments?post=585"}],"version-history":[{"count":1,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/posts\/585\/revisions"}],"predecessor-version":[{"id":586,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/posts\/585\/revisions\/586"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/media\/523"}],"wp:attachment":[{"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/media?parent=585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/categories?post=585"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/tags?post=585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}