Aluminum core PCB boards are crucial for thermal management applications. Aluminum core PCBs are typically classified into three categories based on their intended use.
1. Single layer aluminum PCB
Single layer PCB: This type of PCB is composed of a single layer of aluminum substrate PCB, with a copper conductive layer bonded to one side. The design of single-layer aluminum PCB circuit boards is relatively simple and mainly used in thermal management. Some applications include LED lighting, automotive electronics, power supplies, etc.
2. Double layer aluminum substrate
They have two layers of aluminum substrates and one layer of conductive copper, which is bonded to both sides of the PCB. Compared to single-layer aluminum PCBs, they also have enhanced design flexibility and functionality. Due to its double-sided nature, components can be placed on both sides of the circuit board. This will help improve component density and complex circuit design on circuit boards. Suitable for applications that require improved thermal performance and electrical isolation, such as power converters, motor drivers, etc.
3. Metal Core Printed Circuit Board (MCPCB)
They have a metal core substrate typically made of aluminum or copper alloy, sandwiched between a dielectric material layer and copper foil. Compared with standard PCBs such as FR-4, they have higher thermal conductivity and heat dissipation capabilities. This makes them an ideal choice for high-power applications. MCPCB is also known as aluminum clad PCB. They also come in single-layer, double-layer, and multi-layer configurations.
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