For replace a capacitor you should be the next step
1. Determinate the type of capacitor (polyster, electrolytic, ceramic,
polipropylen,mylar,tantalium,etc.). For HV normaly used are polyester.
2.Determinate the real voltage apply at capacitor (in the circuit) and
replace for one the equal or greater value, never for one the less value.
Exemple if the voltage measure in the circuit is 1000V you shoul be
replace for one of 1500V or greater.
In your case you can replace whit of the 3000V
Regards
Francisco Armenta
jeff wrote:

> I have a capacitor question.
>
> Please don't laugh, I'm new to this stuff. I design tools. Just got
> interested in PICS and electronics here recently.
>
> We have a machine here at work that has several of these caps. I can't
> seem to find a direct replacement for them.  They are 1000 v 0.1uf I
> have found some that are 3000 v 0.1uf.
>
> My question is can I use 3000 v or must I stay with 1000 v ?
>
> Thanks.
>
> Jeff

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