Originally Posted By: pca
At a rough guess, and it IS only a guess, it's a Murata NMF40R series 3 terminal capacitive feedthrough filter, part number MFE31PT222Z1E9L, Farnell order code 952-8172, Page 941 of book 1 of the 2007 catalogue.

Bottom left of the page.

smile

pca


Wow.. SWMBO & I are, like, totally speechless.
(and yes, you nailed it).

smile



Attachments
1.png

Description: Not an exact match, but very close to the appearance of the part in question. Two end contacts, plus two middle contacts.