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Need replacement number for some transistors

Discussion in 'Electronic Components' started by Gaetan Mailloux, Apr 26, 2007.

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  1. Hello

    I need replacement number for those transistors;





    Thank you

    Gaetan, Canada
  2. Eeyore

    Eeyore Guest

    pnp TO-5 70V 5W @ Tc = 25C 100MHz
    Choose your own substitute.

    npn TO-5 with attached heatsink 90V 3W 100MHz

    As above but pnp.

    There are no direct replacements for the above. A popular substitution back in
    the day was the 2N3440 and 2N5415 with a good heatsink.

    That's a job for google.


  3. Download the electronic NTE cross reference.
    NTE replacement parts are sold in a lot of places.

    Service to my country? Been there, Done that, and I've got my DD214 to
    prove it.
    Member of DAV #85.

    Michael A. Terrell
    Central Florida
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