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Is TVS diode fast enough to protect MCU ?

Discussion in 'General Electronics Discussion' started by teajr37, Mar 31, 2021.

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  1. teajr37


    Mar 31, 2021
    Is TVS diode fast enough to protect MCU from MOSFET malfunction (mosfet, CMOS, TVs, electronics)?
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    It depends on how it is used and what kind of failure happens. Usually additional current limiting resistors will be used. TVS are suitable for suppressing pulses only. If a failure leads to permanent overvoltage, the TVS will in most cases be destroyed.
    Look into the application section of the datasheet of the TVS.
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