{"id":1375,"date":"2026-02-27T10:52:27","date_gmt":"2026-02-27T02:52:27","guid":{"rendered":"https:\/\/jkrglo.com\/?page_id=1375"},"modified":"2026-04-15T17:20:20","modified_gmt":"2026-04-15T09:20:20","slug":"metal-core-pcb","status":"publish","type":"page","link":"https:\/\/jkrglo.com\/ja\/metal-core-pcb\/","title":{"rendered":"\u30e1\u30bf\u30eb\u30b3\u30a2\u57fa\u677f"},"content":{"rendered":"
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What is a Metal Core PCB?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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A Metal Core PCB (MCPCB) is a printed circuit board that integrates a metal base, most commonly aluminum, but also copper or a copper alloy, designed to efficiently conduct and dissipate heat away from high-power electronic components. Unlike standard FR4 boards, MCPCBs feature a three-layer structure: a thermally conductive metal substrate, a thin dielectric layer with high thermal conductivity but electrical insulation, and a patterned copper circuit layer on top. This construction not only enhances thermal management and mechanical stability but also enables higher power densities and longer component lifetimes.<\/p>

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At JKRGLO, state-of-the-art lamination and precision drilling ensure excellent bonding between layers and minimal thermal resistance, resulting in MCPCBs that are reliable, durable, and tailored for demanding applications such as LED lighting, power converters, and automotive electronics.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Types of Metal Cores<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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The most common types of metal cores used in MCPCBs are aluminum and copper, each with distinct properties that suit different applications:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Aluminum Core PCB:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Aluminum is the most widely used metal core material due to its excellent balance of thermal conductivity, lightweight nature, and cost-effectiveness. It is ideal for LED lighting, consumer electronics, and automotive applications where heat dissipation is crucial but overall cost must remain low.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Copper Core PCB:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Copper offers superior thermal conductivity compared to aluminum, making it suitable for extremely high-power or high-frequency applications where maximum heat transfer is needed. Although heavier and more expensive than aluminum, copper cores are often preferred in power electronics, RF applications, and aerospace systems that demand top-tier thermal and electrical performance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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The Benefits of JKRGLO Metal Core PCB (MCPCB)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Superior Heat Dissipation<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Metal core PCBs excel at drawing heat away from components thanks to their thermally conductive base. This helps maintain stable operating temperatures, prevents overheating, and prolongs the lifespan of sensitive electronics.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Higher Current Carrying Capacity<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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With better thermal conductivity, MCPCBs can safely handle higher current loads without performance drops. This makes them ideal for LED lighting, power converters, and other high-power electronics where reliable energy delivery is crucial.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Enhanced Mechanical Strength<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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The metal substrate provides increased durability and rigidity compared to standard FR4 boards. This added mechanical stability improves resistance to vibration and mechanical stress, essential for demanding industrial and automotive environments.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Metal Core PCB Design Considerations<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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1. Core Material Selection <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Choosing between aluminum and copper cores affects thermal conductivity, weight, and cost.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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2. Dielectric Layer Thickness <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The thickness of the insulating layer impacts heat transfer efficiency and electrical performance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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3. Thermal Conductivity Ratings <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Select the right thermal conductivity (measured in W\/m\u00b7K) based on component heat loads and application requirements.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Common Applications of Metal Core PCBs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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1. LED Lighting Systems <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Efficient heat dissipation keeps LEDs cool, extending their lifespan and improving brightness stability.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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2. Power Electronics <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Used in power supplies, converters, and motor controllers, MCPCBs ensure reliable operation under high currents and elevated temperatures.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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3. Automotive and Aerospace <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Ideal for harsh environments, MCPCBs are used in automotive ECUs, aerospace control systems, and other heat-sensitive electronic assemblies.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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JKRGLO Metal Core PCB Manufacturing Capabilities<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Metal Core PCB Manufacturing Capabilities <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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\n Features <\/td>\n \n Capabilities <\/td>\n <\/tr>\n
\n Minimum Drill <\/td>\n \n 0.65mm(Aluminum Core) <\/td>\n <\/tr>\n
\n 1.0mm(Copper Core) <\/td>\n <\/tr>\n
\n Minimnum Track Width and Spacing <\/td>\n \n 0.10 \/ 0.10 mm (4 \/ 4 mil) <\/td>\n <\/tr>\n
\n Minimum Dimensions <\/td>\n \n 5 \u00d7 5mm <\/td>\n <\/tr>\n
\n Maximum Dimensions <\/td>\n \n 602 \u00d7 506mm(Aluminum Core) <\/td>\n <\/tr>\n
\n 480 \u00d7 286mm(Copper Core) <\/td>\n <\/tr>\n
\n Layer <\/td>\n \n 1-layer <\/td>\n <\/tr>\n
\n Thickness <\/td>\n \n 0.8mm(Aluminum Only)\uff0c1.0mm\uff0c1.2mm\uff0c1.6mm <\/td>\n <\/tr>\n
\n Soldermask Color <\/td>\n \n White, Black <\/td>\n <\/tr>\n
\n \u8868\u9762\u4ed5\u4e0a\u3052 <\/td>\n \n HASL(Aluminum Core), OSP(Copper Core) <\/td>\n <\/tr>\n
\n Copper Weight <\/td>\n \n 1oz <\/td>\n <\/tr>\n
\n NPTH <\/td>\n \n All holes and cutouts are Non-plated <\/td>\n <\/tr>\n
\n Countersink Hole <\/td>\n \n \u2460 Primary Hole Diameter \u2265 0.3mm <\/td>\n <\/tr>\n
\n \u2461 Major Hole Diameter: 0.5-6.4mm <\/td>\n <\/tr>\n
\n \u2462 Countersink angle: 90\u00b0\/135\u00b0 <\/td>\n <\/tr>\n
\n \u2463 Thickness of board \u2265 0.6mm <\/td>\n <\/tr>\n <\/table>\n<\/div>