IN-18 Large Nixie Tubes Used
lot of one(1) tubes IN-18
Nixie Tubes IN-18, for nixie clock. Best quality, these Tubes was made by military plant in Ukraine (former USSR). The same date code! "OTK" marking, indicates premium military grade tubes!
SPECIFICATIONS:
| Principle of Operation: | neon gas, cold cathode. |
| Displayed digits: | arabic numerals from 0 to 9. |
| Digit height size: | 40 mm. |
| Size of the Bulb: | 32x75 mm |
| Color of a luminescence: | orange |
| Mass: | 20 g |
| Brightness: | > 50cd/m^2 |
| Angle of visibility: | > 90 deg |
| Power supply voltage: | > 200 V |
| Discharge appearance voltage: | < 170 V |
| Current display: | >=4mA |
| Operations current: | Running from DC 4 - 7 mA |
| Operations current: | Running from AC(50Hz) 2 - 4 mA |