It’s a weird application. It’s a capacitor that’s used to run the pulse pump
on my 1960s Italian Omre brand espresso machine. These machines used either
rotary pumps or pulse pumps. Mine has a pulse pump and I’m almost sure the way
this capacitor is wired into the pump that it’s what provides the “pulsing” for
I can look at it more closely and give you the exact location of it relative to
the circuit in a little bit.
> On Oct 15, 2016, at 12:14 PM, Craig via Mercedes <firstname.lastname@example.org>
> On Sat, 15 Oct 2016 10:38:00 -0400 Dan Penoff via Mercedes
> <email@example.com> wrote:
>> I know there are a number of electronics folks here. Would one of you
>> mind taking a look at this dual section capacitor and giving me your
>> opinion on the value(s) and a possible source?
> It's an AC input filtering capacitor set which is made up of three
> - One 0.2 ufd 250 VAC capacitor between the line terminals
> for differential-mode suppression (the "X" capacitor)
> - Two 0.0025 ufd 250 VAC capacitors, one from each line
> terminal to ground, for common-mode suppression (the "Y"
> - Talks about the why of input filtering capacitors
> - Sales information
> You want two
> for the "Y" capacitors.
> The corresponding "X" capacitors from the same manufacturer go up to
> only 0.01 ufd, which indicates your 0.2 ufd capacitor is much large
> than typically used.
> The 0.01 ufd capacitor is
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