[time-nuts] FRS

Mike S mikes at flatsurface.com
Mon Mar 14 01:01:31 UTC 2011


At 07:30 PM 3/13/2011, EWKehren at aol.com 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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