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Zener diode

  1. Jul 6, 2013 #1
    Can someone help me ?
    i cant understand why zener diode dont have curent leakage?
     
  2. jcsd
  3. Jul 6, 2013 #2
    It does. Every diode has some leakage.
     
  4. Jul 10, 2013 #3
    My lecturer say it dont have leakage current in revere bias circuit ? (include in pratical)
     
  5. Jul 10, 2013 #4
    Your lecturer is wrong. All diodes have leakage current. It is their nature.

    Here is the first zener diode datasheet I found on Google.

    http://www.diodes.com/datasheets/ds18004.pdf

    Check out the Electrical Characteristics.... it lists the maximum reverse current.
     
  6. Jul 10, 2013 #5
    I suppose it depends on how you look at it. It won't have leakage when in reverse breakdown since it is conducting and is supposed to be conducting. I would agree with carlgrace in that the lecturer has some wires crossed.
     
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