Review on Chanzon 25Pcs 1W 3W 5W LED Heat Sink (2 Pin Black) Aluminum Base Plate Panel PCB Circuit Board Substrate 20Mm Star DIY Heat Sink Cooling For COB High Power LED Chips Lamp Beads 1/3/5 Watt by Todd Wigfall
Thicker plate on my review.
Printed a bit off center and a bit rough die punch but extra thick and works great for making up a few one watt, 3 or 5 watt emitters.
- Good product, fast shipping, recommended.
- The heat sink may not adequately protect the LED chips from environmental factors such as humidity or dust
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