Voltage Regulator - Gas
The 0B3 / OB3 Vacuum Tube is a glass octal type cold-cathode,
glow-discharge tube used in voltage regulator
applications. They require an octal socket.
Voltage Regulator:
Maximum Supply Voltage ................... 125 V
Regulated Voltage ......................... 75 V
Maximum Current .......................... 40 mA
Minimum Current ........................... 5 mA
Regulation (Min to Max Current) ............ 5 V
Preferred Substitute............. VR-90, VT-184