Help to identify these components from HP-3081a

[coitboy2000]

I have a couple of old HP-3081a terminals I purchased more for the components than anything else. I am not aware of any schematic which is available and was wondering what these two components are. Are they a pulse transformer perhaps. The photos show the same component on both terminals, one in a sealed package, the other open.

Any help appreciated.

Cheers

Richard

[John Keith]

PE is Pulse Engineering, a company that makes (made?) pulse transformers so I would say your guess is spot on.

[coitboy2000]

(03-10-2021 02:21 PM)John Keith Wrote:  PE is Pulse Engineering, a company that makes (made?) pulse transformers so I would say your guess is spot on.

Thanks John. I will try some more searching on the internet.

Richard

[Maximilian Hohmann]

Hello!

(03-10-2021 09:10 PM)coitboy2000 Wrote:  I will try some more searching on the internet.

I am very curious and thanks to Covid, so to say, have a little time to spare... So I did a little search on my own. The company is actually called "Pulse Electronics" (https://www.pulseelectronics.com/) and they still make many kinds of signal transformers. I entered all the numbers shown on the component in your picture into their search window, but nothing gets found.
If you search for "PE-6" you will be shown lots of parts, some of which resemble yours - at least from the outside.

However I would imagine that these components are the last to fail, unless struck by lightning. There is nothing inside apart from some coils of copper wire and a ferrite core.

Regards
Max