Date   : Tue, 30 Jun 2009 08:48:37 +0100
From   : info@... (Sprow)
Subject: 32016 2nd Processor PSU smoking...

In article <4A49C0B2.9070107@...>,
   Jim Hearne <jim@...> wrote:
> Yes, i agree, if it was part of a filter it would change the filtering 
> frequency.

Agreed.

> But in this case i believe we are talking about the capacitor that is 
> stuck across the mains input to stop switching noise from the psu 
> getting back into the mains system.

But, then, is that not a filter too?

C1/T1/C2 looks like a pi filter for my money, whose resonance(s) are set by
the value of C1, T1 inductance, and C2,
Sprow.