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Replacing PFF4N80 with FQPF4N80

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    Replacing PFF4N80 with FQPF4N80

    Hello everyone, can someone tell me if I can replace the PFF4N80 with FQPF4N80? Both are built on TO-220FP packages and there are minor differences like Drain source on resistance, Drain current, Power Dissipation etc, help

    #2
    it always depends on the circuit you're replacing it in... if it's minor, chances are it will work however. usually circuits are designed with some component tolerances in mind.

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      #3
      How comparable are the turn-on, and turn-off times and the input capacitance? Those may also be critical parameters.
      PeteS in CA

      Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
      ****************************
      To kill personal responsibility, initiative or success, punish it by taxing it. To encourage irresponsibility, improvidence, dependence and failure, reward it by subsidizing it.
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        #4
        grr xpost with d-sheets https://www.eevblog.com/forum/beginn...4n80-possible/

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          #5
          Originally posted by eccerr0r View Post
          Wdym? 🤔

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            #6
            Originally posted by PeteS in CA View Post
            How comparable are the turn-on, and turn-off times and the input capacitance? Those may also be critical parameters.
            Here are their both characters
            Click image for larger version

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