JAN 7977

7.8mm numeric tube manufactured by National Electronics

The JAN 7977 is a clear glass miniature nixie tube manufactured by National Electronics. Its the military version of the NL-7977/4032 and has a black heat-shrink around it to get better contrast.
Brand / Manfacturer National Electronics
Same Types
Likely Tyes
Symbol height in mm 7.8
Characters / Symbols 0-9
Decimal point none
Base / Socket RTS-3
Starting Voltage (typ) 170 V
Maintaining Voltage (typ) 0 V
Current per Segment 1.4mA
Reccomend Resistor 15kOhm @ 170V, 91kOhm @ 250V, 150kOhm @300V according to datasheet


Images of the digits will follow