On Monday, October 03, 2011 6:17 AM, "PICdude"  wrote:
> Here's what's confusing me... I tend to think of the wattage rating as =20
> the ability (or rate) of the device to dissipate heat (given it's =20
> package size, surface area, materials, etc), which is why I imagine =20
> higher wattage being no problem as long as the heat is being sucked =20
> away.  For your situation and anyone else who has had power resistors =20
> fail, were they within specified max operating temp (but higher than =20
> rated wattage)?  Or did the temps go over the specified max operating =20
> temp?


They were part of a de-icer, clamped and glued to a metal plate, and
shut off when they reached a little over room temperature. So they never
got very hot(externally).

Bob

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