🚀 go-pugleaf

In article <320@albanycs.Albany.Edu> vijay@albanycs.Albany.Edu (Vijay Vaidyanathan) writes:
>My Fisher amp began smokin a while back and the only component 
>that looks "smoky" is a thingy that looks like a Transistor, and
>is bound to a Heat Sink. The number on it is D 612 K and has the
>letters EL printed near one leg and "2" near another. Nothing near

It's a 2SD612 transistor, $1.03 each from MCM Electronics, for one possible
supplier.  SK series probably has an equivalent, too.

That device is probably the positive DC supply regulating pass transistor.
Other components in the supply need to be checked, or the output stage may
have a problem causing tremendous current flow.  Either way, it's likely to
be a symptom, not a cause.

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