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Voltage Regulator ·VoltageRegulator

G1201B

Two-electrode gas-filled stabilizer with a comparatively low maintaining voltage around 55 V, operating over approximately 2–30 mA.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B4
Base pins
-
Nominal heater
-

Description

Two-electrode gas-filled stabiliser with low maintaining voltage.

Socket description

European 4-pin base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B4
Base pins
-
Nominal heater voltage
-
Nominal heater current
-
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Voltage Regulator

X-ray radiationInterelectrode capacitances
Max cathode current
30 mA
Regulator voltage
55 V
Regulator minimum current
2 mA
Regulator maximum current
30 mA
Regulator starting voltage
100 V
Regulator maintaining voltage
55 V

Published ratings/characteristics promoted where applicable.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1946 Standard Telephone and Cables

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Characteristic

  • Nominal breakdown voltage

    100 V

    Published datasheet value

  • Regulation 2-30 mA

    3 V

    Published datasheet value

Other

  • Maximum peak cathode current

    50 mA

    Published datasheet value

Data set 02

1947 Standard Valves

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Characteristics

  • Continuous operating current minimum

    2 mA

  • Continuous operating current maximum

    30 mA

  • Regulation over 2-30 mA

    3 V

Other

  • Maximum peak cathode current

    50 mA