{"id":25433,"date":"2026-05-15T10:54:01","date_gmt":"2026-05-15T02:54:01","guid":{"rendered":"https:\/\/www.bestpcbs.com\/blog\/?p=25433"},"modified":"2026-05-15T11:01:14","modified_gmt":"2026-05-15T03:01:14","slug":"high-thermal-conductivity-pcb-materials-design","status":"publish","type":"post","link":"https:\/\/www.bestpcbs.com\/blog\/2026\/05\/high-thermal-conductivity-pcb-materials-design\/","title":{"rendered":"High Thermal Conductivity PCB: Materials &amp; Design"},"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\/05\/high-thermal-conductivity-pcb-materials-design\/#1_What_Is_a_High_Thermal_Conductivity_PCB\" >1. What Is a High Thermal Conductivity PCB?<\/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\/05\/high-thermal-conductivity-pcb-materials-design\/#2_Why_Is_High_Thermal_Conductivity_Important_in_PCB_Design\" >2. Why Is High Thermal Conductivity Important in PCB Design?<\/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\/05\/high-thermal-conductivity-pcb-materials-design\/#3_What_Materials_Are_Used_in_High_Thermal_Conductivity_PCBs\" >3. What Materials Are Used in High Thermal Conductivity PCBs?<\/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\/05\/high-thermal-conductivity-pcb-materials-design\/#4_Aluminum_PCB_Copper_Core_PCB_IMS_PCB_and_Ceramic_PCB_What_Is_the_Difference\" >4. Aluminum PCB, Copper Core PCB, IMS PCB, and Ceramic PCB: What Is the Difference?<\/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\/05\/high-thermal-conductivity-pcb-materials-design\/#5_How_to_Choose_the_Right_Thermal_Conductivity_Rating\" >5. How to Choose the Right Thermal Conductivity Rating?<\/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\/05\/high-thermal-conductivity-pcb-materials-design\/#6_Thermal_Conductivity_vs_Thermal_Resistance_What_Should_Designers_Know\" >6. Thermal Conductivity vs Thermal Resistance: What Should Designers Know?<\/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\/05\/high-thermal-conductivity-pcb-materials-design\/#7_How_Does_Copper_Thickness_Affect_Thermal_Performance\" >7. How Does Copper Thickness Affect Thermal Performance?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/05\/high-thermal-conductivity-pcb-materials-design\/#8_How_to_Improve_Heat_Dissipation_in_PCB_Layout\" >8. How to Improve Heat Dissipation in PCB Layout?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/05\/high-thermal-conductivity-pcb-materials-design\/#9_What_Applications_Use_High_Thermal_Conductivity_PCBs\" >9. What Applications Use High Thermal Conductivity PCBs?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/05\/high-thermal-conductivity-pcb-materials-design\/#10_How_to_Choose_a_Reliable_High_Thermal_Conductivity_PCB_Manufacturer\" >10. How to Choose a Reliable High Thermal Conductivity PCB Manufacturer?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/05\/high-thermal-conductivity-pcb-materials-design\/#11_Why_Choose_EBest_Circuit_for_High_Thermal_Conductivity_PCB_Projects\" >11. Why Choose EBest Circuit for High Thermal Conductivity PCB Projects?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/05\/high-thermal-conductivity-pcb-materials-design\/#12_FAQs_About_High_Thermal_Conductivity_PCB\" >12. FAQs About High Thermal Conductivity PCB<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"yzp-no-index\"><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_What_Is_a_High_Thermal_Conductivity_PCB\"><\/span>1. What Is a High Thermal Conductivity PCB?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>High thermal conductivity PCBs are special circuit boards that move heat away from electronic parts quickly. Regular FR-4 boards only conduct 0.3-0.5 W\/m\u00b7K of heat, but these boards use metal or ceramic cores to do 2-100 times better. They work as both a circuit board and a heat spreader, so you often don\u2019t need big separate heatsinks.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/05\/aluminum-pcb-circuit-board-complete-guide\/\" title=\"Aluminum PCBs\">Aluminum PCBs<\/a> are the most popular type, making up over 85% of the market. They are cheap and work well for most power products. Other types include copper core, IMS, and <a href=\"https:\/\/www.bestpcbs.com\/products\/ceramic-pcb.htm\" title=\"ceramic PCBs\">ceramic PCBs<\/a> for more demanding uses.<\/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\/05\/high_thermal_conductivity_pcb_02-2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/05\/high_thermal_conductivity_pcb_02-2.png\" alt=\"high thermal conductivity pcb\" class=\"wp-image-25502\" style=\"object-fit:cover;width:1200px;height:675px\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/05\/high_thermal_conductivity_pcb_02-2.png 800w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/05\/high_thermal_conductivity_pcb_02-2-300x225.png 300w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/05\/high_thermal_conductivity_pcb_02-2-768x576.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Why_Is_High_Thermal_Conductivity_Important_in_PCB_Design\"><\/span>2. Why Is High Thermal Conductivity Important in PCB Design?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Good heat conduction makes electronics last longer and work better. A 10\u00b0C drop in component temperature can double the life of semiconductors. Bad heat dissipation makes LEDs lose 70% of their brightness in 3 years and causes power parts to fail suddenly.<\/p>\n\n\n\n<p>In cars, thermal stability keeps safety systems working from -40\u00b0C to 125\u00b0C. Without high thermal conductivity PCBs, modern small, high-power devices like EV chargers and 5G phones would overheat and break.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_What_Materials_Are_Used_in_High_Thermal_Conductivity_PCBs\"><\/span>3. What Materials Are Used in High Thermal Conductivity PCBs?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>High thermal conductivity PCBs use three main layers: a copper circuit layer, a thermally conductive dielectric layer, and a core base. The dielectric layer is the most important because it causes 70-90% of the total heat resistance<\/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\/05\/High-thermal-conductivity-PCBs-layer-structure.png\"><img loading=\"lazy\" decoding=\"async\" width=\"825\" height=\"506\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/05\/High-thermal-conductivity-PCBs-layer-structure.png\" alt=\"High thermal conductivity PCBs layer consture\" class=\"wp-image-25505\" style=\"aspect-ratio:1.6666666666666667;object-fit:cover;width:663px;height:auto\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/05\/High-thermal-conductivity-PCBs-layer-structure.png 825w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/05\/High-thermal-conductivity-PCBs-layer-structure-300x184.png 300w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/05\/High-thermal-conductivity-PCBs-layer-structure-768x471.png 768w\" sizes=\"auto, (max-width: 825px) 100vw, 825px\" \/><\/a><figcaption class=\"wp-element-caption\">High thermal conductivity PCBs layer consture<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Core Material Performance Comparison<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Material Type<\/th><th>Thermal Conductivity (W\/m\u00b7K)<\/th><th>Max Temperature (\u00b0C)<\/th><th>Cost Index<\/th><th>Best For<\/th><\/tr><\/thead><tbody><tr><td>Aluminum 6061<\/td><td>150-205<\/td><td>130<\/td><td>1.0<\/td><td>General power products<\/td><\/tr><tr><td>Pure Copper<\/td><td>385-400<\/td><td>150<\/td><td>3.5<\/td><td>High-current modules<\/td><\/tr><tr><td>Alumina Ceramic<\/td><td>18-36<\/td><td>1000+<\/td><td>2.5<\/td><td>Sensors and industrial parts<\/td><\/tr><tr><td>Aluminum Nitride<\/td><td>150-230<\/td><td>1000+<\/td><td>8.0<\/td><td>Medical and aerospace<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Aluminum_PCB_Copper_Core_PCB_IMS_PCB_and_Ceramic_PCB_What_Is_the_Difference\"><\/span>4. Aluminum PCB, Copper Core PCB, IMS PCB, and Ceramic PCB: What Is the Difference?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Each type has its own strengths for different jobs. Aluminum PCBs are the cheapest and most common. <a href=\"https:\/\/www.bestpcbs.com\/blog\/2026\/04\/ev-inverter-mcpcb\/\" title=\"Copper core PCBs\">Copper core PCBs<\/a> conduct heat better for high-power uses. IMS PCBs have better insulation, and ceramic PCBs work in extreme temperatures.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PCB Type Comparison<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>PCB Type<\/th><th>Overall Heat Conductivity (W\/m\u00b7K)<\/th><th>Insulation Voltage<\/th><th>Cost<\/th><th>Best Use<\/th><\/tr><\/thead><tbody><tr><td>Aluminum PCB<\/td><td>1-5<\/td><td>1-3 kV<\/td><td>Low<\/td><td>LED lights, small power supplies<\/td><\/tr><tr><td>Copper Core PCB<\/td><td>3-10<\/td><td>1-3 kV<\/td><td>Medium<\/td><td>Motor controls, EV chargers<\/td><\/tr><tr><td>IMS PCB<\/td><td>1-9<\/td><td>Up to 5 kV<\/td><td>Medium<\/td><td>Power converters, car electronics<\/td><\/tr><tr><td>Ceramic PCB<\/td><td>18-230<\/td><td>&gt;15 kV\/mm<\/td><td>High<\/td><td>RF devices, medical lasers<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_How_to_Choose_the_Right_Thermal_Conductivity_Rating\"><\/span>5. How to Choose the Right Thermal Conductivity Rating?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The right rating depends on how much power your device uses. Too low and it overheats; too high and you waste money. A simple rule: add 0.5 W\/m\u00b7K for every extra 10W of power.<\/p>\n\n\n\n<p>For small LED bulbs under 50W, 1.0-1.5 W\/m\u00b7K works fine. For street lights (50-150W), use 2.0-3.0 W\/m\u00b7K. For industrial converters over 300W, you need 5.0+ W\/m\u00b7K or a copper core PCB.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Thermal_Conductivity_vs_Thermal_Resistance_What_Should_Designers_Know\"><\/span>6. Thermal Conductivity vs Thermal Resistance: What Should Designers Know?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Thermal conductivity is how well a material moves heat. Thermal resistance is how hard it is for heat to pass through a whole structure. Many people mix these up, which leads to bad designs.<\/p>\n\n\n\n<p>The formula is simple: Thermal Resistance = Thickness \u00f7 (Conductivity \u00d7 Area). This means a thin, high-conductivity layer with a big area works best. For example, a 100\u03bcm thick 3 W\/m\u00b7K dielectric is the same as a 200\u03bcm thick 6 W\/m\u00b7K one.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_How_Does_Copper_Thickness_Affect_Thermal_Performance\"><\/span>7. How Does Copper Thickness Affect Thermal Performance?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Thicker copper carries more current and spreads heat better. It reduces resistive heating and moves heat away from hot parts faster. Increasing copper from 1 oz to 2 oz can lower component temperature by 5-10\u00b0C.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Copper Thickness Guide<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Copper Weight<\/th><th>Thickness (\u03bcm)<\/th><th>Current per 1mm Width<\/th><th>Typical Use<\/th><\/tr><\/thead><tbody><tr><td>1 oz<\/td><td>35<\/td><td>3-5 A<\/td><td>General circuits<\/td><\/tr><tr><td>2 oz<\/td><td>70<\/td><td>6-10 A<\/td><td>Power supplies, LED drivers<\/td><\/tr><tr><td>3 oz<\/td><td>105<\/td><td>10-15 A<\/td><td>High-current boards<\/td><\/tr><tr><td>4 oz+<\/td><td>140+<\/td><td>15-25 A+<\/td><td>Heavy power modules<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_How_to_Improve_Heat_Dissipation_in_PCB_Layout\"><\/span>8. How to Improve Heat Dissipation in PCB Layout?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Layout choices often matter more than material selection. Even the best material won\u2019t work if heat can\u2019t flow to the cooling system. Follow these simple rules for better results.<\/p>\n\n\n\n<p>First, put high-power parts near the board edges or mounting holes. Use big copper pads under hot components and add copper pours around them. Use thermal vias (0.3mm diameter, 1mm apart) under exposed pads. Also, keep heat-sensitive parts at least 10mm away from hot areas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_What_Applications_Use_High_Thermal_Conductivity_PCBs\"><\/span>9. What Applications Use High Thermal Conductivity PCBs?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>High thermal conductivity PCBs are used everywhere heat is a problem. The biggest use is <a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/05\/led-lighting-pcb-assembly-manufacturers-1-piece-moq\/\" title=\"LED lighting\">LED lighting<\/a>, where they make bulbs last 3-5 times longer. They are also common in car electronics, power supplies, and 5G communication devices.<\/p>\n\n\n\n<p>Other uses include motor controls, medical equipment, and<a href=\"https:\/\/www.bestpcbs.com\/blog\/2024\/10\/aerospace-pcb-assembly-guide-pcba-box-building\/\" title=\" aerospace parts.\"> aerospace parts.<\/a> Any device that is small but uses a lot of power will benefit from a high thermal conductivity PCB.<\/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\/05\/high-thermal-conductivity-pcb-application.png\"><img loading=\"lazy\" decoding=\"async\" width=\"676\" height=\"564\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/05\/high-thermal-conductivity-pcb-application.png\" alt=\"high thermal  conductivity  pcb application\" class=\"wp-image-25530\" style=\"object-fit:cover;width:700px;height:450px\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/05\/high-thermal-conductivity-pcb-application.png 676w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2026\/05\/high-thermal-conductivity-pcb-application-300x250.png 300w\" sizes=\"auto, (max-width: 676px) 100vw, 676px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"10_How_to_Choose_a_Reliable_High_Thermal_Conductivity_PCB_Manufacturer\"><\/span>10. How to Choose a Reliable High Thermal Conductivity PCB Manufacturer?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A good manufacturer has experience with all types of high thermal conductivity PCBs and can help with design. Look for one that uses high-quality materials and has strict quality control.<\/p>\n\n\n\n<p>Key things to check: experience with aluminum, copper, and ceramic PCBs; ability to do thermal analysis; stable material supply; and compliance with IPC, RoHS, and REACH standards. Also, make sure they can support both prototypes and mass production.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11_Why_Choose_EBest_Circuit_for_High_Thermal_Conductivity_PCB_Projects\"><\/span>11. Why Choose EBest Circuit for High Thermal Conductivity PCB Projects?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>EBest Circuit offers complete high thermal conductivity PCB services, from design review to mass production. We have over 10 years of experience with all types of thermal PCBs and work with top material suppliers.<\/p>\n\n\n\n<p>Our team can help you optimize your stackup, select the right materials, and fix thermal issues before production. We support fast prototypes and reliable mass production, so you can get your products to market quickly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12_FAQs_About_High_Thermal_Conductivity_PCB\"><\/span>12. FAQs About High Thermal Conductivity PCB<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q1: Can high thermal conductivity PCBs be multilayer?<\/h3>\n\n\n\n<p>A1: Yes, but they are more expensive than single-layer ones. Most designs use 1-2 layers, with 4+ layers only for special high-density needs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q2: How much more do they cost than FR-4?<\/h3>\n\n\n\n<p>A2: They usually cost 2-3 times more than FR-4. But they often eliminate the need for separate heatsinks, saving total system cost.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q3: What is the maximum voltage they can handle?<\/h3>\n\n\n\n<p>A3: Standard aluminum PCBs handle 1-3kV. Special high-voltage designs can go up to 5kV, and ceramic PCBs offer even higher insulation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q4: Can aluminum PCBs be bent?<\/h3>\n\n\n\n<p>A4: Yes, 5052 aluminum alloy bends well. This is useful for curved LED lights and other custom shapes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q5: How do I test the actual thermal conductivity?<\/h3>\n\n\n\n<p>A5: Ask your manufacturer for laser flash analysis (LFA) test data. Datasheet values are often higher than real-world performance.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. What Is a High Thermal Conductivity PCB? High thermal conductivity PCBs are special circuit boards that move heat away from electronic parts quickly. Regular FR-4 boards only conduct 0.3-0.5 W\/m\u00b7K of heat, but these boards use metal or ceramic cores to do 2-100 times better. They work as both a circuit board and a [&hellip;]<\/p>\n","protected":false},"author":33618,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[175,174,21,37,165,297,167],"tags":[5689,114,22,5688,217],"class_list":["post-25433","post","type-post","status-publish","format-standard","hentry","category-best-pcb","category-bestpcb","category-ceramic-pcb","category-faq","category-fr4-pcb","category-led-pcb-board","category-mcpcb","tag-aluminium-pcb-thermal-conductivity","tag-aluminum-pcb","tag-ceramic-pcb-2","tag-high-thermal-conductivity-materials","tag-thermal-conductivity"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/25433","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\/33618"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/comments?post=25433"}],"version-history":[{"count":9,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/25433\/revisions"}],"predecessor-version":[{"id":25532,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/25433\/revisions\/25532"}],"wp:attachment":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/media?parent=25433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/categories?post=25433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/tags?post=25433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}