At 07:30 PM 3/13/2011, [email protected] wrote...
On one of my older FRS I tightened the cover to much blowing in the
process
the TIP 31 and the 2N4021. Any idea where to get a 2N4021 or what
would be
a substitute.
I think it's a 2n4091, from the parts list and schematic. 2N4021 is a
PNP bipolar, 2N4091 is a N-Channel JFET.
2n4091 is available here:
http://store.americanmicrosemiconductor.com/2n4091.html
I'd think a 2n4392 would work, Mouser has 'em, along with the TIP31B.
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