[Boatanchors] Filament bypass caps

[J Forster]

Most filaments are operated pretty near ground. The bypasses are for RF. 100 V or so  should be fine, except if the filament
is elevated significantly above or below ground for some reason (radar or CRTs).

Best,
-John

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Barrie Smith wrote:

> I've spent quite a bit of time recently attempting to discover what the voltage rating for filament bypass caps should be.
>
> In old and new handbooks I rarely see a voltage rating, just ".01", or .001".
>
> Is there a formula for determining the safe voltage rating for bypass caps?
>
> 73, Barrie, W7ALW
> _______________________________________________