[sdiy] jfet driver

David G Dixon dixon at mail.ubc.ca
Thu Feb 28 04:50:11 CET 2019


So, I've just been looking at Digikey to find through-hole JFETs that aren't
obsolete.  It would appear as if the only ones are the ON Semiconductor J1XX
series.  J106 looks like a good option, with a V_GS cutoff voltage range of
-2 to -6V.  Of course, they are $1.30 for one, or $87 for 100, so pretty
expensive.
 
Almost everything else is obsolete, as far as I can tell.  I had no idea...
kinda shocking and scary.
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