Our cob 110V 120V 220V 240V Driver Free Led chip match with general lens and reflection cup in the market. And it can be dircetly inpued 110V 120V 220V 240V Driver Free Led chip For example, it can replace the CREE light source, and pair with all the CREE LEDs and reflector cup. ( Build-in bonding pads(+/-) and internal wires).
Photometric Data 110V 120V 220V 240V AC COB with reflector cup together.It is still higher than other lighting.It is also fit for 7W 10W 15W 20W 25W 30W 35W 40W 50W 100W. So it is very easy to produce high efficiency.
For DIY application, led chip without driver can be driectly connected to 110V 120V 220V 240V power source.
In addition, the AC COB (such as 7W,15W) can be lighted up only with a small radiator.
Suggested size of heatsink
Silicone thermal pad
The highest temperature of heatsink
If you have interested in it, please advice any time!