GN-4

15.5mm numeric tube manufactured by STC

The GN-4 is a red coated numeric nixie tube manufactured by STC (Standard Telephone and Cable). Its relatively compact and round shaped. There are a few other GN-4 models manufactured by different comapnies.
Brand/ManfacturerSTC
Same Types
Likely Tyes
Symbol height (mm)15.5
Display0-0
Decimal pointnone
BaseB13B
Starting Voltage (typ)170 V
Maintaining Voltage (typ) V
Current per Segment2mA
Reccomend Resistor15kOhm @ 170V, 56kOhm @ 250V, 82kOhm @ 300V according to datasheet.