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50x IN-12 IN-12B nixie tubes vintage indicators for DIY clock NOS
Rare ex-USSR made all NOS Nixie Tubes IN-12A or(and) IN-12B 50 pcs in one lot, same dates, has a nice vintage looks, and warm neon glow. All tubes tested and working.
All indicators have passed technical control and have stamps test marking. Indicators were made for military equipment have a special stamp in the form of a rhombus with the number inside. Indicators correspond to technical specifications: 3.341.024. The IN12 is the Soviet analog to Western oval Nixie tubes such as the Burroughs B5991 and 8422. To save on costs, the tube does not have a cathode to represent the number'5', instead an additional'2' stencil is used, mounted upside down.
Digit height is 19mm and the diameter of the tube is 30mm at it's widest point. This tube is actually mechanically compatible with the 14 pin sockets used by the B5991, though the underside nipple requires that said sockets have a centrally located perforation for clearance. This tube comes in two slightly different versions, the IN12B, which has a decimal point, and the IN12A, which does not. The IN-12 is widely used by hobbyists in projects, due to it's low cost and general ruggedness. The indicator of a glow discharge of IN-12B for work as the visual digital indicator of electric signals.Cathodes in the form of Arabic numerals (from 0 to 9 and comma). Height of figures is 18 mm.
Indication is made through a cylinder dome. Key technical parameters of the glow discharge indicator IN-12B. Ignition voltage: no more than 170 V (170 V). Voltage of maintaining of combustion: not less than 120 V (120 V). Operating current for digits: no more than 2,5 mA (2,5 mA).
Operating current for comma: no more than 0,3 mA (0,3 mA). The item "50x IN-12 IN-12B nixie tubes vintage indicators for DIY clock NOS" is in sale since Thursday, November 28, 2019.
This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets". The seller is "vannadiy" and is located in Vinnitsa, Vinnitskaya obl.. This item can be shipped worldwide.
- Model: IN-12B
- Country/Region of Manufacture: Russian Federation
- Brand: USSR
- Type: NOS Tube