{"id":912,"date":"2021-05-19T15:01:42","date_gmt":"2021-05-19T07:01:42","guid":{"rendered":"http:\/\/www.bestpcbs.com\/blog\/?p=912"},"modified":"2021-05-19T15:01:42","modified_gmt":"2021-05-19T07:01:42","slug":"aluminum-vs-copper-core-pcb","status":"publish","type":"post","link":"https:\/\/www.bestpcbs.com\/blog\/2021\/05\/aluminum-vs-copper-core-pcb\/","title":{"rendered":"Aluminum vs Copper Core PCB"},"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\/2021\/05\/aluminum-vs-copper-core-pcb\/#1_Thermal_Conductivity\" >1.&nbsp;Thermal Conductivity<\/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\/2021\/05\/aluminum-vs-copper-core-pcb\/#2_Electrical_Conductivity\" >2.&nbsp;Electrical Conductivity<\/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\/2021\/05\/aluminum-vs-copper-core-pcb\/#3_Electrical_Resistance\" >3. Electrical Resistance<\/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\/2021\/05\/aluminum-vs-copper-core-pcb\/#4_Weight\" >4. Weight<\/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\/2021\/05\/aluminum-vs-copper-core-pcb\/#5_Application\" >5.&nbsp;Application<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"yzp-no-index\"><\/div>\n<p>In EBest Circuit (Best Technology), currently the most common metal used for<a href=\"https:\/\/www.bestpcbs.com\/manufacturing\/pcb-manufacturing.htm\">\u00c2\u00a0Metal Core PCB manufacturer<\/a> are Aluminum, Copper. Today let\u00e2\u20ac\u2122s talk about the main differences between aluminum substrate and copper substrate, hoping to help you choose the right substrate in future design projects.<\/p>\n\n\n\n<p>Although they both share similar properties and functions, there are still a few variations between the two kinds of metals. Some of the key differences between aluminium and copper core PCBs are explained in the points below.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Thermal_Conductivity\"><\/span><strong>1.&nbsp;<\/strong><strong>Thermal Conductivity<\/strong><strong><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The thermal conductivity of copper substrate is up to about 400(W\/mK) and the thermal conductivity of aluminum substrate is generally about 200W(W\/mK).&nbsp;The thermal conductivity is&nbsp;higher, the transfer efficiency will be better, and&nbsp;the heat dissipation&nbsp;will be better,&nbsp;then the working life will be&nbsp;longer.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.bestpcbs.com\/blogimages\/2021\/05\/19\/Copper-1.jpg\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blogimages\/2021\/05\/19\/Copper-1-s.jpg\" alt=\"\"\/><\/a><figcaption><strong>\u00c2\u00a0Thermal Conductivity<\/strong><\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Electrical_Conductivity\"><\/span><strong>2<\/strong><strong>.<\/strong><strong>&nbsp;<\/strong><strong>Electrical Conductivity<\/strong><strong><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Both aluminum and copper, being metals, are electrical conductors of electricity, although the exact degree of this varies between the two metals. When it comes to electrical conductivity, copper has a clear advantage over aluminum. In other words, in applications where there is a need for efficient electrical conductivity, copper makes for an ideal pick.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.bestpcbs.com\/blogimages\/2021\/05\/19\/Aluminum-1.jpg\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blogimages\/2021\/05\/19\/Aluminum-1-s.jpg\" alt=\"\"\/><\/a><figcaption><strong>\u00c2\u00a0Electrical Conductivity<\/strong><\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Electrical_Resistance\"><\/span><strong>3<\/strong><strong>. Electrical Resistance<\/strong><strong><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Resistance is very important when it comes to <a href=\"https:\/\/www.bestpcbs.com\/design-guide\/index.htm\">PCB design<\/a>, as it can have an effect on the overall function and stability of the component. Given that copper has a higher density than aluminum, it tends to have a lower resistance than aluminum, so copper is\u00c2\u00a0an better\u00c2\u00a0choice where there\u00e2\u20ac\u2122s a requirement for thinner circuits and faster electricity transfer.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.bestpcbs.com\/blogimages\/2021\/05\/19\/Copper-2.jpg\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blogimages\/2021\/05\/19\/Copper-2-s.jpg\" alt=\"\"\/><\/a><figcaption><strong>Electrical Resistance<\/strong><\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Weight\"><\/span><strong>4<\/strong><strong>. Weight<\/strong><strong><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Since copper has the higher density&nbsp;for&nbsp;per unit area, the weight of copper PCB&nbsp;is much heavier&nbsp;than aluminum PCB for the same design.<\/p>\n\n\n\n<p>In applications where light-weight construction is required more than anything else, aluminum is the preferred material of choice. On the other hand, applications where weight is not much of an issue, tends to be the ones where copper is widely used.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.bestpcbs.com\/blogimages\/2021\/05\/19\/Alumunum-2.jpg\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blogimages\/2021\/05\/19\/Alumunum-2-s.jpg\" alt=\"\"\/><\/a><figcaption><strong>Weight<\/strong><\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Application\"><\/span><strong>5.&nbsp;<\/strong><strong>Application<\/strong><strong><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Copper core PCB\u00c2\u00a0is\u00c2\u00a0the best heat dissipation among all <a href=\"https:\/\/www.bestpcbs.com\/products\/metal-core-pcb.htm\">MCPCB<\/a>, so\u00c2\u00a0it\u00e2\u20ac\u2122s\u00c2\u00a0mostly used in automobile headlights, taillights and some high-tech electronic products (unmanned aircraft, mining machine) high-power lighting equipment. The aluminum core PCB is mostly used in indoor lighting, energy saving lighting, street lighting\u00c2\u00a0and other energy-saving lighting electronic products.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.bestpcbs.com\/blogimages\/2021\/05\/19\/Aluminum-3.jpg\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blogimages\/2021\/05\/19\/Aluminum-3-s.jpg\" alt=\"\"\/><\/a><figcaption><strong>Application<\/strong><\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.bestpcbs.com\/blogimages\/2021\/05\/19\/Copper-3.jpg\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blogimages\/2021\/05\/19\/Copper-3-s.jpg\" alt=\"\"\/><\/a><figcaption>Application<\/figcaption><\/figure><\/div>\n\n\n\n<p>In conclusion, due to the above different parameters and performance, the cost of copper is generally more expensive than\u00c2\u00a0aluminum. If you have other questions about <a href=\"https:\/\/www.bestpcbs.com\/products\/metal-core-pcb.htm\">MCPCB<\/a>, welcome to<a href=\"https:\/\/www.bestpcbs.com\/contact\/index.htm\"> contact us<\/a> .<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In EBest Circuit (Best Technology), currently the most common metal used for\u00c2\u00a0Metal Core PCB manufacturer are Aluminum, Copper. Today let\u00e2\u20ac\u2122s talk about the main differences between aluminum substrate and copper substrate, hoping to help you choose the right substrate in future design projects. Although they both share similar properties and functions, there are still a [&hellip;]<\/p>\n","protected":false},"author":623,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[37,167,160,15,3,16],"tags":[],"class_list":["post-912","post","type-post","status-publish","format-standard","hentry","category-faq","category-mcpcb","category-metal-core-pcb","category-our-news","category-pcb-news","category-pcb-technology"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/912","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=912"}],"version-history":[{"count":1,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/912\/revisions"}],"predecessor-version":[{"id":913,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/912\/revisions\/913"}],"wp:attachment":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/media?parent=912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/categories?post=912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/tags?post=912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}