[time-nuts] CRYO Voltage standards

[Poul-Henning Kamp]

In message <49347BCE.6070005 at xtra.co.nz>, Bruce Griffiths writes:
>Hal Murray wrote:

>> What's the wear-out mechanism for peltier coolers?
>>   
>One wear out mechanism is mechanical fatigue due to thermal cycling.

And, if you run them at too high current, material migration.

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