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Thread: Transistor question,\

  1. #1
    Old Timer
    Join Date
    Sep 2011
    Pace, FL

    Transistor question,\

    I was reading on this site(Troubleshooting & Repair Guide)
    Section 5.1
    In the most general of terms, with any bipolar transistor (FETs and MOSFETs are completely different!), there should be about 600-700mV measured between the emitter and base

    Am I right in understanding one probe on emitter and one probe on base?


  2. #2
    Supporting Member The Dude's Avatar
    Join Date
    May 2010
    Sioux Falls, SD
    Yes, basically the same as a diode junction. Polarity will depend on if the transistor is a PNP or NPN. Same thing from base to collector. Collector to emitter will read as open.
    g1 likes this.
    “Yeah, well, you know, that’s just, like, your opinion, man.”

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