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Transistor Please Help

Discussion in 'Datasheets, Manuals and Component Identification' started by craftman555, Aug 30, 2013.

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  1. craftman555


    Aug 30, 2013
    Hello, I have a bad switching transistor that I'm trying to identify. Any help would be appreciated. I haven't had any luck with searching. It's out of an HVAC blend door programmer circuit from a 1989 Corvette. It's in a TO 92 package and has the following markings

    First line: 8399
    Second line: "R" 846
    Third line: EBC (I know this is Emiter, Base, Collector pin out ID)

    Really just looking for a suitable replacement.
  2. davenn

    davenn Moderator

    Sep 5, 2009
    Hi Ken
    welcome to the forums :)

    it could easily be just a manufacturers part number and meaningless to anyone outside the company

    do you have a circuit schematic that shows the transistor ?
    at least from that the transistors use in a circuit could be figured out and a replacement suggested :)

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