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JFET = JFET = JFET . . .?

Discussion in 'Electronic Components' started by Watson A.Name - \Watt Sun, the Dark Remover\, Apr 11, 2005.

  1. 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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  2. Fred Bartoli

    Fred Bartoli Guest

    Found this one:

    http://www.americanmicrosemi.com/products/specs/2N3436.phtml
     
  3. tlbs

    tlbs Guest

    I couldn't find anything in any of my databooks (some of them quite
    old).

    The 2N3436 does cross reference to an NTE 133, which is:

    JFET N-Ch General Purpose AF Amp/Switch
    BV[GSS] min = 25 V
    V[GS] max cutoff = 6 V
    I[DSS] (min - max) = 0.5 - 15 mA
    C[ISS] max = 6 pF
    C[RSS] max = 2 pF
    g[FS] = 40000 umho
    Power diss, max = 300 mW

    Hope this helps.
     
  4. "Fred Bartoli"
    Thanks, that's more than I had before.

    BTW< I bought some Ge diodes from them, and I don't think I want to buy
    anything more from them. The diodes visually looked like they were
    assembled by a drunk.
     
  5. Graham W

    Graham W Guest

    I'll add the Siliconix 1979 info to the right:
    Noise Factor 2dB
     
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