COB LED Temperature

Anon422

New Member
Hi guys, i'm new here.

I've recently bought some chinese LED (6 led drived 31V 1,24A about 38W each), they are water cooled.

I did some temperature tests. I can't solder the thermalcouple on these cob (they don't have it) so i just used an infrared thermometer (the cheapest on amazon).

Box temp (90cmx45cmx185cm): 23C°

Water: 31C°
Waterblock: 35C°
Radiator: 34C°

COB (connection point, + and -): 50-60C°
COB (jellow part, phosphor): 90-110C°

Are these temperatures too high? Can you give me a feedback with yours?

Thanks
 
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