Will it explode???

[Rene Schmitz]

At 12:00 09.03.99 -0600, you wrote:
>Hi,
>
>>I've got a tube amp with a 485 volt HT supply. It needs a new filter
>>(smoothing) cap of 22uF. I've got 450V rated ones. What do you reckon,
>>safe or not? If not can I get hold of 500V plus capacitor without having
>>to do a two in series plus resistors job? Farnell, CPC and Maplin can
>>not supply such beasties.
>
>NO! Don't even think of it!!!!! Kablooey!
>
>You can get the proper high voltage parts at www.newsensor.com. Even 500 is
>pushing it; a good designer would use 525-600V here... Do two 300V parts in
>series if you cannot get the parts from new sensor in time...

And don't forget to put two resistors (of 100k /1W or so) over each cap if
you put 'em in series, this ensures that each cap sees half of the total
voltage across it!

Bye
 Rene

             ,   : (uzs159 at uni-bonn.de)
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