D and S should only test one way like a
diode and not the other way, and between
D and G - S and G there sould be no
continuity open.
first short all pins to drain any field curent.

john



"Sam Goldwasser" wrote in message
...
BigTom writes:

is there a quick way(in circuit)to test mosfets.
bud2508 and irf9620 in particular.

HeHeHe.... If it isn't shorted, it's probably good.

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