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question about 2N2222

Discussion in 'Datasheets, Manuals and Component Identification' started by patsroom, Jun 21, 2016.

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  1. patsroom


    Apr 25, 2013
    Well I have a funny question. Can a 2N2222 be used to switch a continuity or open and close (for a continuity test from a voltmeter) just the circuit just to pass a lower voltage than the one needed to make it operate? Thanks for reading my question................Pat
  2. Herschel Peeler

    Herschel Peeler

    Feb 21, 2016
    A 2N2222 does not turn on all the way down to zero ohms, so yes there is a limit on the low side. It will not tolerate voltages over a certain voltage, so yes there is a limit on the high side also.
    Arouse1973 likes this.
  3. patsroom


    Apr 25, 2013
    Thank You for your answer, that should help me understand a 2N2222 better.............Pat
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