I have a Vintage Nixie Tubes for sale : IN-14. In one lot - 31 pcs. The IN-14 glow gas discharge indicators are used in calculating and solving devices, in various measuring instruments and other discrete-action equipment, for visual representation of output data.
Power supply - at least 200V. Occurrence of discharge - no more than 170V. Maintaining the discharge - no more than 150V. Constant - from 2.5mA to 3.5mA.
When powered from a pulsating voltage source with a frequency of 50Hz - 1mA. The indication current is not more than 2.5mA. The brightness of the IN-14 indicator tube is at least 100cd/m².
The viewing angle is at least 60°. Cathodes - from 0 to 9 (in the form of Arabic numerals). The delay time of the discharge ignition in the light is no more than 0.5 sec. The height of the digits is 18mm.
Overall dimensions - 19 × 62mm. Operating time - at least 10,000 hours. Orders are packaged carefully to ensure safe arrival!