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Tesla coil and Capacitors

Discussion in 'General Electronics Discussion' started by Edu, May 6, 2014.

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  1. Edu

    Edu

    1
    0
    May 6, 2014
    I'm assembilng a simple Tesla Coil and have most of the components needed

    - neon tube 4kV AC, 30 mA transformer
    - primary and secondary coils
    - the spark gap

    All that I need is a capacitor of 3-6 nF for the final circuit. I found small 4kV 1nF ceramic capacitors for sale, that I could assemble in paralel to attain the needed capacitance, but I'm still not sure if they are able to function under the 30 mA of current coming from the transformer. The original project used large home made capacitors made out of glass plates and foil, but I wish to make something more compact and less "kludgy".

    Anybody knows if the small 4kV 1nF capacitors can be used for this project? Otherwise, what kind of capacitor should I use?
     
  2. davenn

    davenn Moderator

    13,720
    1,911
    Sep 5, 2009
    hi Edu
    welcome to the forums :)

    the 30mA isn't the problem, as long as they are voltage rated for significantly more than what will be applied to them is the important part
    if they are going to have 4kV across them, then you really should be looking for caps of 5kV and higher ( preferably 6kV and up)

    Dave
     
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