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[AMPS] Big Bangs

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Subject: [AMPS] Big Bangs
From: (2)
Date: Mon, 9 Jul 2001 07:40:31 -0700
>Good morning gentlemen,
>       The problem suffered by Art, with his power supply, raises a question 
> from
>me, which is this, what is the nominal shelf life for unused electrolytic
>capacitors, also what checks / procedures, should be carried out, before such
>long stored  capacitors are put into use. ...

Electroilytic life expectancy is ?20 years for the older design.  Modern 
design electrolytics typically have: more C per unit volume, less leakage 
at rated WV, don't require pre-conditioning, and are generally able to 
handle higher ripple current.  I have no info on life expectancy of 
modern design units.  

cheers, John

-  R. L. Measures, 805.386.3734,AG6K,  

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