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[AMPS] SB-220 C4 failure

To: <amps@contesting.com>
Subject: [AMPS] SB-220 C4 failure
From: measures@vc.net (Rich Measures)
Date: Sun, 6 Jul 97 08:36:33 -0700
>After 25+ years that capacitor has a history of going bad. Simply replace
>it. I replace it  as a mater of course whenever I get a SB-220 in for
>service. 
>
>73...Carl  KM1H
>
25 years is pretty typical for the life span of 85º C-rated electrolytics.  For 
even longer life, a 105ºC-rated electrolytic would be appropriate.  I would be 
inclined to covert the mickeymouse half-wave rectifier to a full-wave bridge 
whilst I had the soldering iron out.  
Rich---

R. L. Measures, 805-386-3734, AG6K   


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