Aluminium PCBs are quite popular, especially for applications where the total LED quantity and/or power is high (e.g. COBs).
Aluminium is used as the substrate, and the PCB tracks are isolated from it. Different materials are available for different isolation requirements.
This aluminium PCB can be directly attached to the heatsink.
Read More: Choosing the Right PCB Laminate Material for Your Project
#PCB Materials #LED
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