Byron A Jeff wrote:
>

> >Assuming the FETs/Transistors are isolated devices...
>
> Any way to make that assumption?


Yes! See if the tab is completely covered
in plastic like the transistor body. :o)

These insulated transistors only have a fraction
of the power rating that normal ones have, like
in the TO-220 packs you get around 15w for the
insulated ones, and around 60w for the normal ones.
-Roman

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