15.5mm letter tube manufactured by ITT

The GA-28A is a clear glass letter tube manufactured by ITT. It can display the capital letters "A" to "H".
Brand / Manfacturer ITT
Same Types
Likely Tyes
Symbol height in mm 15.5
Characters / Symbols A-H
Decimal point none
Base / Socket
Starting Voltage (typ) 170 V
Maintaining Voltage (typ) 140 V
Current per Segment 2.25mA
Reccomend Resistor 12kOhm @ 170V