Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Why does the width of depletion region is small in highly doped diode?

  1. Jul 21, 2012 #1
    Dear,
    In Zener Diode, In highly Doped diode,the breakdown(Zener breakdown) occurs in small voltage.How?
    Thanks& Regards,
    Viswanathan.M
     
  2. jcsd
  3. Jul 22, 2012 #2

    uart

    User Avatar
    Science Advisor

    The higher is the doping level then the narrower is the depletion region for any given reverse bias voltage. A narrower depletion region means that voltage is "blocked" over a shorter distance, meaning that the peak electric field is higher.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: Why does the width of depletion region is small in highly doped diode?
Loading...