On Wed, 06 Feb 2008 08:10:29 -0600, Mike Raiford <mra### [at] hotmailcom> wrote:

>
>In other applications, discharge is much slower, such as when they are 
>used to smooth ripple current from a DC power supply.

If the cap is across the supply and ground then it is acting as a short circuit
to AC but a block to DC.These caps generally have a discharging resistor > 1 meg
across them to slowly discharge it when there is no power applied.

Regards
	Stephen

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