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 Andargie Waiker
Gets the job done. good for me
Worked better than then expected. Used solder paste and a hot air soldering tool and heated the bottom of the heat sink. Worked perfectly. I suppose you could use a lighter torch and get the same result. Heat sinks do their job.
- Very nice heat sink units, they work great with high powered leds.
- The 25pcs pack may be too many for small DIY projects, leading to wastage
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