>I have a vacuum variable which is marked 7-1000 pf, but has no voltage
>rating. The ITT Jennings part number is CVCJ-1000-0105. Can the
>voltage rating be deduced from the part number? Googled, but no luck.
>
The DC V rating is either 3kV or 5kV. Normally, a suffix of 3S or 5S is
used to designate which is which. I would measure the DC breakdown V
with a high-pot tester to determine which one it is, and whether or not
it still has a vacuum..
cheers, Bill - and good luck. With vac caps, you need some.
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