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RE: Some suggestions.

Posted by DAK (A) on March 21, 2015 at 12:17:20

In Reply to: RE: Some suggestions. posted by onthethreshold1 on March 21, 2015 at 11:51:13:

film caps were non polarized and could not be used to replace electrolytics . Myth??
I don't like absolutes, so, for your amp replacing the lytic with a film cap is not a problem. Film caps have no positive and negative orientation but are sometimes marked to indicate which lead is connected to the "outer foil" of the windings. This lead should be attached to the lower potential such as ground.
I did not know the capacitance to the rectifier in your amp so I gave a generic response. But it is best to replace like with like, in this case 40uf. The problem maybe the size of this film cap. It may be quite large and I don't know how much room you have. Check out the dimensions of Solen and Panasonic EZPE series and also WIMA at Mouser and Digikey. I like to use Solen and SCR, and ASC depending on the situation. Your decision to use a film cap may depend on how much room you have. good luck, Dak

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