http://www.smbaker.com/nixie-tube-calculator-powered-by-a-raspberry-pi
http://lupinesystems.com/calc/ntc/
http://www.tube-tester.com/sites/nixie/dat_arch/IN-16_02.pdf
IN-16 10 cathodes in a shape of numbers 0 1 2 3 4 5 6 7 8 9

IN-14 10 cathodes in a shape of numbers 0 1 2 3 4 5 6 7 8 9
IN-12 10 cathodes in a shape of numbers 0 1 2 3 4 5 6 7 8 9
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Specs
Principle of Operation: |
neon gas, cold cathode. |
Displayed digits: |
arabic numerals from 0 to 9 and one dot. |
Digit height size: |
18 mm. |
Size of the Bulb: |
21x31x35 mm |
Color of a luminescence: |
orange |
Mass: |
20 g |
Brightness: |
>100cd/m^2 |
Angle of visibility: |
>30 deg |
Power supply voltage: |
> 200 V |
Discharge appearance voltage: |
< 170 V |
Current display: |
<=2mA |
Operations current: |
Running from DC 2 - 3.5 mA |
Operations current: |
Running from AC(50Hz) 2 mA |
Life time: |
> 5000 hours |
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