TVS diode

Discussion in 'General Electronics Chat' started by dasjeetu, May 23, 2010.

  1. dasjeetu

    Thread Starter New Member

    Jan 28, 2009
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    Pls help me to understand TVS diode, how do i check a tvs diode in a power supply, wether its ok or open. Thanks...:)
     
  2. bertus

    Administrator

    Apr 5, 2008
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  3. dasjeetu

    Thread Starter New Member

    Jan 28, 2009
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    well thanks for your advice and idea of wiki, but you did not get my question..how do test a TVS DIODE? with a DMM. Thanks....
     
  4. cjdelphi

    New Member

    Mar 26, 2009
    272
    2
    TVS diode, is this not unlike a zener diode? new one for me, I wonder if this could be used as regulator ?
     
  5. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    It has a breakover voltage, but the resistance goes close to zero when it operates. The idea is to catch a voltage transient before it fries the circuit. Take a look at Bertus' link.
     
  6. Wendy

    Moderator

    Mar 24, 2008
    20,766
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    I think the correct answer is there isn't a way to test it in circuit. Out of circuit it will require some very specialized equipment. If it is working it will be an open circuit. It only starts conducting if something really bad has happened.
     
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