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collector current

Discussion in 'General Electronics Discussion' started by rkprim, Feb 17, 2013.

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  1. rkprim


    Feb 17, 2013
    why doesn't the resistor on the collector limit the current going collector to emitter? I have collector hooked up to +5v , emitter to ground and base current is 3uA . The collector current is .6mA with no resistor or with 4600 ohm resistor it doesn't make a difference. I can't find any information about it
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    Jan 21, 2010
    The resistor will limit the current, but in this case it will limit it to about 1.1mA

    The transistor is amplifying the base current just like it should (with a gain of about 200)
  3. rkprim


    Feb 17, 2013
    ok thanks
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