[Boatanchors] Electrolytics- How Much is Too Much

[Ron Youvan]

David Dave AB5S Stinson wrote:

> High Voltage electrolytics- how much current leakage
> at rated voltage is "too much?"

> There are old standards published 70 years ago,
> but I'm interested in your current insight.
> Say- I have an original can capacitor, rated 40-40-40 at 450 volts.
> After sitting with all three tied together and at
> 400 volts, total leakage was about 1.5. mA.

> I'm not interested in re-igniting the nasty name-calling
> over whether or not "re-forming" caps is a good or bad idea- only in
> what level of leakage is, in your opinion,
> acceptable in order to maintain a stock part in a set.

   I don't know, but I would like to know what a real new one would leak 
at, over a mill seems a bit much to me, (is that 4 Watts?) but I never 
measured the dc current through a power supply capacitor.
-- 
Ron - KA4INM