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Possible counterfeit parts with the GE logo

Discussion in 'General Electronics' started by nermal, Aug 23, 2006.

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  1. nermal

    nermal Guest

    Last week we had some JAN2N1774A SCRs fail in a system. Failure was due
    to poor/defective workmanship. The date/code was 9240 (40th week of
    1992). I read somewhere that GE quit manufacturing semiconductors
    sometime around 1987.

    Externally these do not match the 1981 -1983 date code parts at all.
    The die is also different. Today I received a "9242 JANTX2N1774A" that
    had the same external and internal construction. I suspected it was
    also counterfeit until I tried to remove a stain from the case with
    Isopropyl alcohol. The device markings were removed as well as the
    yellow stain! (Note: JAN parts had to pass a marking permanency test
    that was much more severe than wiping with a Q-tip saturated with
    Isopropyl Alcohol.

    Does any one out there know when GE shut down their semiconductor
    plants? I tried looking up the history of GE on the net (also tried
    GIDEP searches on GE semiconductors with no luck).

    Thanks,
    Nermal
     
  2. nermal

    nermal Guest

    GE, RCA, Intersil, Fairchild Semiconductor History
     
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