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[AMPS] D.C. Voltage Rating of A.C. Rated Capacitors

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Subject: [AMPS] D.C. Voltage Rating of A.C. Rated Capacitors
From: philk5pc@tyler.net (Phil Clements)
Date: Sat, 30 Jan 1999 16:24:36 -0800



> To Bill and others interested in the formula for A.C. rated caps:
>
> 2 X sq.root of 2 X A.C. rating = D.C. rating.
>
> That is easier for me to remember that way, rather than 2.828 X A.C. rating.
>
> IOW, a capacitor rated at 1500 volts A.C. would be safe to use in a circuit
> up to 4200 volts D.C.
>
> I have never seen this written down anywhere. It just gets passed on by word
> of mouth and the internet!
>
> (((73)))
> Phil, K5PC
>




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