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Voltage Regulator ·VoltageRegulator

OA2WA

Ruggedized special-quality 150 V gas regulator for demanding military and industrial service, with published shock and vibration performance.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B7G
Base pins
7
Nominal heater
-

Description

Special-quality ruggedized cold-cathode voltage stabilizer with approximately 150 V maintaining voltage.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7G
Base pins
7
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
Regulator voltage
150 V
Regulator minimum current
5 mA
Regulator maximum current
30 mA
Regulator starting voltage
165 V
Regulator maintaining voltage
150 V

Special-quality shock- and vibration-resistant voltage stabilizer.

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

1963 Philips Electron Tubes Handbook V2

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Other

  • Setting current

    17.5 mA

    NewTube

  • Setting voltage

    150 V

    NewTube

  • Operating current minimum

    5 mA

  • Operating current maximum

    30 mA

  • Maximum starting current

    - to 75 mA

  • Maximum shunt capacitance

    - to 0.1 uF

Characteristic

  • Maintaining voltage at 5 mA

    140 to 144 V

    LifeRange

  • Maintaining voltage at 30 mA

    153 to 158 V

    LifeRange

  • Ignition voltage

    - to 165 V

    Maximum

  • Voltage regulation

    5 to 8 V

    Ia=5-30mA; life-dependent

  • Leakage current

    - to 5 uA

    Maximum

  • Shock resistance

    900 g

    Approximate

  • Vibration resistance

    2.5 g

    Peak

Data set 02

1963 Philips Electron Tubes Handbook V3

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Characteristic

  • Maintaining voltage nominal

    150 V

    VoltageRegulator

  • Regulation maximum

    5 V

    5To30mA

  • Noise output maximum

    100 mV

    VoltageRegulator

Other

  • Maintaining current minimum

    5 mA

    VoltageRegulator

  • Maintaining current maximum

    30 mA

    VoltageRegulator

  • Starting voltage maximum

    165 V

    VoltageRegulator

  • Starting current maximum

    75 mA

    10Seconds

  • Shunt capacitance maximum

    0.1 µF

    VoltageRegulator

  • Shock resistance approximately

    900 g

    SpecialQuality

  • Vibration resistance

    2.5 g

    SpecialQuality