Soviet Anod IN-1 Nixie Tube  
Written by AnubisTTP on 2010-08-14  

Description

The IN-1 is a large Soviet nixie tube with an end-view envelope and phenolic base. The IN-1, unlike most other gas discharge displays, does not contain any mercury in it's fill gas, which substantially shortens the tube's lifespan. Under normal conditions, the number cathodes in an IN-1 will completely dissolve after only a few thousand hours of operation. The IN-1 is a larger nixie; digit height is 12mm and the tube has a diameter of 30mm and a height of 60mm. The tube's unusual 11 pin phenolic base is practically impossible to find a socket for, though the truly desperate can repurpose Molex pins from an ATX power supply to act as a socket stand-in. The combination of the IN-1's short operational lifespan, obscure base, and abysmally poor, "prop from The Dark Crystal"-style construction make this tube almost universally loathed by electronics hobbyists.

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Soviet 'Anod' IN-1 nixie tube in normal operation.


The 11 pin socket that is used with the IN-1 can be very difficult to find.

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