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Question about Gas Discharge Tube

Discussion in 'Electronic Basics' started by [email protected], Aug 29, 2006.

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  1. Guest

    I wonder what the below properties mean
    + Sparkover
    + Impulse Sparkover
    + Impulse Transverse Delay

    I don't seem to find the definition anywhere on Wiki, Google,
    Globalspec, or Manufacture website. The product is

    http://www.bourns.com/pdfs/2026.pdf

    Thanks.
     
  2. It's defined right there on the page:

    DC Sparkover 100 V/s (slow rate of rise of voltage)
    Impulse Sparkover 100 V/?s (fast rate of rise of voltage)
    Impulse Sparkover 1000 V/?s (very fast rate of rise of voltage)
    Impulse Transverse Delay 1000 V/?s (time to fire with very fast rate of rise
    of voltage?)
     
  3. Guest

    DC Sparkover 100 V/s (slow rate of rise of voltage)
    I never use a GDT so I have a hard time to understand the word
    literally. I guess the question should be: what is the definition of
    Sparkover, Impulse Sparkover and Impulse Transverse Delay for
    non-engineer?

    Thanks
     
  4. "?s" should read uS or microsecond or millionth of a second. A rate of rise
    of voltage of 100 volts per second is quite slow - if it was a lamp you
    would see it change.

    A rate of rise of voltage of 100 volts per millionth of a second is very
    fast.

    A rate of rise of voltage of 1000 volts per millionth of a second is very
    fast indeed - in one second you go from zero volts to 1000,000,000 volts
    (one billion volts).

    I hope this helps.
     
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