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When do Caps fail?


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6/22/1999 4:13 PM
Mook
When do Caps fail?
I was going thru some odds-and-ends capacitors last night and I was testing them with my VOM. I found an electrolytic cap that was rated as 25uF/25V (a cathode cap I pulled from an old Fender. It is a White Mallory).  
 
 
 
It measured 6.84uF. When electrolytics go bad, is this what happens? Do they eventually loose their ability to hold a charge? Nothing is leaking from the cap.  
 
 
 
Or is this a case of drifting values?  
 
 
 
Would a regular (non-polarized) cap drift this severely?  
 
 
 
 
 
Mook  
 
 

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