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0A2 VR Tube

The 0B2  (European: 108C1) (P/N 154-0075-00) is a 105-108 V voltage reference tube with a miniature B7G 7-pin base.

Note: The designation is 0B2, the leading zero indicating a tube without a heater, although this is often mis-printed as OB2.

Used in

Some instruments using part 0B2

Instrument Manufacturer Class Model Description Introduced
190 Tektronix Signal generator 190 Constant-Amplitude Signal Generator 1954
E Tektronix Plug-in Type E Differential amplifier 1955
Hickok 1825 Hickok Plug-in 1825 Differential amplifier 1959