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Capacitor mark

  1. Mar 25, 2009 #1
    Hello. I own an electrolytic capacitor which capacitance is 68 µF. Something strange is written on it 400 WV. Is it the service voltage ? Probably, but in that case, what is the meaning of the letter W ? Thanks by advance for your replies.
  2. jcsd
  3. Mar 25, 2009 #2
    Could it stand for the maximum safe working voltage?I am not sure.
  4. Mar 25, 2009 #3


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  5. Mar 25, 2009 #4
    Thanks a lot for informations & link
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