{"id":427,"date":"2017-07-12T08:26:01","date_gmt":"2017-07-12T08:26:01","guid":{"rendered":"http:\/\/www.rigiflex.com\/blog\/?p=427"},"modified":"2025-06-18T09:27:24","modified_gmt":"2025-06-18T09:27:24","slug":"a-double-sided-mcpcb-and-a-double-layer-mcpcb-what-are-the-differences","status":"publish","type":"post","link":"https:\/\/www.rigiflex.com\/blog\/a-double-sided-mcpcb-and-a-double-layer-mcpcb-what-are-the-differences\/","title":{"rendered":"A Double Sided MCPCB and a Double Layer MCPCB \u2013 What are the Differences?"},"content":{"rendered":"<p align=\"justify\">Metal core printed circuit boards are suitable alternatives for FR4\/CEM1-3 variants. Also, referred as MCPCBs, these circuit boards use metal as a core base material. These PCBs are differentiated on the basis of their construction. Single layer, double layer, double sided, and multi \u2013layer PCBs are a few types. The double layer and double sided metal core printed circuit boards are heavily used in advanced electronic circuits. These two types arise confusion due to their similar names. What are the differences between the two? What advantages do they offer? This post attempts to answer these questions and more.<\/p>\n<p align=\"justify\"><a href=\"https:\/\/www.rigiflex.com\/blog\/wp-content\/uploads\/2017\/07\/91.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1277 size-full\" src=\"https:\/\/www.rigiflex.com\/blog\/wp-content\/uploads\/2017\/07\/91.png\" alt=\"Double layer MCPCB\" width=\"1200\" height=\"400\" srcset=\"https:\/\/www.rigiflex.com\/blog\/wp-content\/uploads\/2017\/07\/91.png 1200w, https:\/\/www.rigiflex.com\/blog\/wp-content\/uploads\/2017\/07\/91-300x100.png 300w, https:\/\/www.rigiflex.com\/blog\/wp-content\/uploads\/2017\/07\/91-768x256.png 768w, https:\/\/www.rigiflex.com\/blog\/wp-content\/uploads\/2017\/07\/91-1024x341.png 1024w, https:\/\/www.rigiflex.com\/blog\/wp-content\/uploads\/2017\/07\/91-1140x380.png 1140w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p align=\"justify\"><strong>What is a Double Sided and Double Layer MCPCB?<\/strong><\/p>\n<p align=\"justify\">The double sided and double layered MPCB have different layout, due to the positioning of a metal core:<\/p>\n<div align=\"justify\">\n<ul>\n<li>In a double sided MCPCB, the metal core lies in the middle of two conductor layers. There is also a dielectric layer between the metal core and a copper layer. The metal core and conductors are connected to each other through Vias. The SMD can be populated at the bottom and top.<\/li>\n<li>A double layer MCPCB has a metal core at the bottom, with two conductor layers on its top. In short, the conductor layers lie in same side of the metal core. Generally, metals like aluminum, copper, and iron alloys are used as metal cores. The dielectric layer lies between a copper layer, and the bottom metal core. The SMD can only be populated on the top.<\/li>\n<\/ul>\n<\/div>\n<p align=\"justify\"><strong>What are the Advantages of Double Sided and Double Layer MCPCBs?<\/strong><\/p>\n<p align=\"justify\">Both these variants offer the same benefits as other metal core PCBs. They are as follows:<\/p>\n<div align=\"justify\">\n<ul>\n<li>Reliable Performance at High Temperatures: Many double sided CEM3 or FR4 PCBs with high power and density face difficulties in heat dissipation. The CEM3 or FR4 material have weak thermal conductivity, which means the electronic components are destroyed at high temperatures. However, double sided metal core circuit boards feature a metal core, which has an excellent inter-layer insulation and thermal conductivity. Both these factors contribute to its reliable performance at high temperature.<\/li>\n<li>Excellent Thermal Expansibility: Thermal expansion and contraction is an important feature of all objects. The ability to contract with cold, and expand with heat is termed as coefficient of thermal expansion. Most FR4 PCBs have low CTE, which means they cannot effectively deal with issues of contraction and expansion. However, both double sided and double layer PCBs can effectively deal with thermal expansibility. Thus, they are in demand.<\/li>\n<\/ul>\n<\/div>\n<p align=\"justify\"><strong>What are the Applications of Double Sided and Double Layered MCPCBs?<\/strong><\/p>\n<div align=\"justify\">\n<p>The following are a few applications, which use double sided or double layered MCPCBs:<\/p>\n<ul>\n<li>LED lights<\/li>\n<li>Street and general lighting<\/li>\n<li>Industrial controls<\/li>\n<li>Power monitoring devices<\/li>\n<li>Automotive<\/li>\n<li>Amplifiers<\/li>\n<li>Test equipment<\/li>\n<\/ul>\n<\/div>\n<p align=\"justify\">The choice of the either type will depend on your application requirements. If you are still confused about the two types and their benefits for your application, you can always approach an industry expert or a reliable <a href=\"http:\/\/www.rigiflex.com\/metal-core-pcbs\">metal core pcbs manufacturer<\/a> like Rigiflex. The company provides different types of MCPCBs in diverse specifications.<\/p>\n<p align=\"justify\"><a href=\" https:\/\/www.rigiflex.com\/pcb-quote\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-781 size-full\" src=\" https:\/\/www.rigiflex.com\/blog\/wp-content\/uploads\/2023\/04\/PCB-Online-Quote.png\" alt=\"PCB Online Quote\" width=\"247\" height=\"50\" \/> <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Metal core printed circuit boards are suitable alternatives for FR4\/CEM1-3 variants. Also, referred as MCPCBs, these circuit boards use metal as a core base material. These PCBs are differentiated on the basis of their construction. Single layer, double layer, double sided, and multi \u2013layer PCBs are a few types. The double layer and double sided<\/p>\n<p class=\"more-link\"><a href=\"https:\/\/www.rigiflex.com\/blog\/a-double-sided-mcpcb-and-a-double-layer-mcpcb-what-are-the-differences\/\" class=\"themebutton\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[89,88,59],"class_list":["post-427","post","type-post","status-publish","format-standard","hentry","category-manufacturing","tag-double-layer-mcpcb","tag-double-sided-mcpcb","tag-metal-core-pcbs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A Double Sided MCPCB and a Double Layer MCPCB \u2013 What are the Differences? - Rigiflex Technology Inc. Blog<\/title>\n<meta name=\"description\" content=\"Discover the key differences between double sided and double layer MCPCBs. 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