Re: Electrolytic caps?

From: Michael A. Terrell (mike.terrell_at_earthlink.net)
Date: 02/26/05 

Date: Sat, 26 Feb 2005 23:12:13 GMT

Jim Thompson wrote:
>
> Hi, Joerg. I do, literally, have some 40 year-old aluminum
> electrolytics in my part bins.
>
> What's the best way to "format" them?
>
> Jim Thompson

   I prefer to go for "High density". :)

   Actually, after you re-form the oxide layer with a limited current
(<.1 ma) at the rated voltage you check the ESR to made sure the cap is
good. Any signs of leaked electrolyte automatically makes it a bad
part. 

-- 
Beware of those who post from srvinet.com!
Michael A. Terrell
Central Florida

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