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 James White
great quality, surpassed my expectations
these were exactly as described and have worked very well for me with their 3W Leds.i cannot do reflow soldering so i bought thermal plaster and the leds are staying cool, albeit i am only driving them at 50% so far.
but several days of 16 hrs/day use and no noticeable heating.
- They worked out perfectly
- The heat sink is only suitable for COB high power LED chips, limiting its versatility
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