piclist 2002\12\17\005156a >
Thread: Maintaining electrolytic capacitor
picon face BY : Spehro Pefhany email (remove spam text)

At 02:07 PM 12/17/02 +1300, you wrote:
>I'm using a 47uF cap to filter a 50mV signal on a PIC
>comparator pin. Is 50mV enough to maintain the oxide
>layer or is this cap going to deteriorate. Web references
>to re-forming old or dead caps don't appear to give any
>clues as to what voltage is actually needed to keep the
>cap alive in the first place. I recall a thread about using
>aluminium foil caps close to their rated voltage for best

Don't worry about it, Jinx.

>Would a Ta cap be better ?

Not really.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
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In reply to: <000701c2a568$bc910e40$19aba7cb@joe>
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