[Amps] Resistor Before the Capacitor? (long)

[Bill, W6WRT]

ORIGINAL MESSAGE:

On Mon, 8 Feb 2010 10:44:08 -0700, "Jim  Garland" <4cx250b at muohio.edu>
wrote:

>To repeat, this is the
>worst case scenario. No matter what value of filter capacitor we use, the
>peak voltage drop across the 25 ohm resistor cannot exceed 24.8V and the
>peak current cannot exceed .992 Amps.

REPLY:

You are assuming the load is a constant 3000 ohms, but the diodes see
not only that load, but the load presented by a partially discharged
filter capacitor during each replenishment cyc.e. Because of that, the
current will peak well over the .992 amps mentioned above.

73, Bill W6WRT