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FrozenGate by Avery

Mitsubishi 300mW - Died at 1A?

Interesting. But mine wasn't even below freezing - it was probably at 40 F or so (refrigerated), and that is within normal operating conditions.
 





But see, it couldn't even have been that. First, the humidity here is REALLY low (Arizona :P) second, it wasn't even that cold. I just use it as a large heatsink, essentially (sucks away the heat to bring the ~40 degrees up to room temp.

But you may be right.
 
I've seen on the forum 3 LOCs die shortly after they were cooled down by either the fridge, or freezer. But obviously there is no way to be sure.
 
What would be a safe current for these diodes when they are in a heatsink and have a tec running?(but no air cooling)
 
You always need active cooling with a TEC. That thing is producing far more heat than the diode itself.
 
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