Anyone know what this component is?

dickard

Active Member
I just bought a lot of audio-related components at auction from the estate of someone who used to repair/build audio equipment. There are a pile of these things and I have no idea what they are. Anyone have any ideas? IMG_20181020_1430288.jpg
 
I was thinking the same. Ohm it out, if it seems to be a straight connection from terminal to terminal, its a pass-through for use between parts of a chassis.
 
Yeah, it measures 0 ohms.

I've never actually seen one in the wild, but now I have maybe 100 of them in different shapes and sizes.
 
It is a ceramic feed through - normally soldered into a hole in a metal chassis to pass a connection through. Used a lot in RF high frequency circuits.

Sometimes they include an integral very low value inductor and capacitor for filtering purposes.
 
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