JFET = JFET = JFET . . .?

I got some basic info from my Moto manual for the 2N3436. But a google brought up almost nothing other than the Digchip website. I jumped thru all the hoops to register, but was sadly disappointed. The dfatasheet they offered was for a Solitron chip, not the finished device. And the part no's they said it was used in were not 2N3436. Nor could I trace any crossref to those no's. No 'provenance' so to speak. Leaves me wondering if this database is even valid.

I know that JFETs are a lot alike, but usually I can find out if the FET is optimized for RF, or low noise audio or LF, or switching, etc. But apparently not in this case. About the only thing I found was that it is in the TO-18 case.

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