3 ms·
> All my high power LED floodlights are installed outdoors. I had 3 failures in the middle of winter when outside temperatures are way below zero An SMD LED ch
by Eisenstein 3y ago
> All my high power LED floodlights are installed outdoors. I had 3 failures in the middle of winter when outside temperatures are way below zero
An SMD LED chip is only a mm or two in size. I doubt that even a -20C wind directly on it could cool it fast enough to make a huge difference just because of lack of surface area.
- HPsquared 3y agoFor a given power level, the chip temperature will be a certain number of degrees warmer than ambient. So if the chip is at 50C in 30C ambient, it'll be something like 30C in 10C ambient.
- lstodd 3y agoLEDs don't die of being at 30C. For that I saw in dead lamps/floodlights I opened I mostly wondered how this managed to even last for the time it did. The best engineering of a LED light I ever saw is still the 2013-ish era Maglite bulb. It just works, no overheating, no nothing.