Unnkown Nixie

[Thomas Stratford]

Hi,

Can anybody help to identify this un-marked Nixie, which measures approx 25mm x 15mm and has two extra pins on the back.  

Thanks 

Thomas

[Nick]

Looks a bit like a B5991, but the clips on the top of the cathode supports is slightly different....

One of that series though - the size & shape are right...

Nick

[gregebert]

What is that bizarre mechanical object in the upper-left corner ? Looks like some kind of retention device with mitre gears ???

[David Forbes]

Thomas,

That is the standard end-view Burroughs Nixie tube. The two extra pins are for
activating the mercury giver, I believe.

The module appears to be European in origin. We don't have capacitors like that
in the USA, and the TI chips have a European font on their labels.

The shaft sticking out appears to turn a rotary PC board switch through a miter
gear. The switch looks like it's wired to select one of the ten cathodes.
Perhaps it allows the user to set a counter trigger value.

--
David Forbes, Tucson, AZ

[Thomas Stratford]

Thanks Nick & David

[Tidak Ada]

Those capacitors are Rifa brand. Very suspect capacitors, especially there are tiny cracks in the epoxy. Advice: Replace them if there is any problem with the unit!

eric

-----Oorspronkelijk bericht-----
Van: neoni...@googlegroups.com [mailto:neoni...@googlegroups.com] Namens David Forbes
Verzonden: vrijdag 25 maart 2016 20:37
Aan: neoni...@googlegroups.com
Onderwerp: Re: [neonixie-l] Unnkown Nixie

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