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Voltage Regulator ยทVoltageRegulator

5651

Cold-cathode inert-gas precision voltage-reference tube operating near 86 V at low current, designed for regulated and precision electronic supplies.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
5BO
Socket code
B7G
Base pins
7
Nominal heater
-

Description

Cold-cathode inert-gas voltage-reference tube operating near 86 V over a 1.5โ€“3.5 mA current range.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
5BO
Socket code
B7G
Base pins
7
Nominal heater voltage
-
Nominal heater current
-
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

5BO - 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
86 V
Regulator minimum current
1.5 mA
Regulator maximum current
3.5 mA
Regulator starting voltage
115 V
Regulator maintaining voltage
86 V

Published electrical characteristics preserved in parameter rows; regulator-specific fields 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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Characteristic

  • OperatingVoltageMinimum

    82 V

  • OperatingVoltageMaximum

    92 V

Data set 02

1960 RCA Industrial and Communications Types

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Application

  • Application

    Precision voltage reference

Other

  • Minimum DC anode-supply voltage

    115 V

Characteristics

  • Voltage regulation

    1 V

Data set 03

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Characteristic

  • Operating voltage

    86 V

Other

  • Operating current minimum

    1.5 mA

  • Operating current maximum

    3.5 mA

Data set 04

1962 Cerberus

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Other

  • Breakdown voltage A-K

    115 V

  • Typical supply voltage

    350 V

  • Typical operating current

    2.5 mA

Characteristics

  • Stabilized voltage at 3.5 mA

    92 V

  • Stabilized voltage at 1.5 mA

    82 V

  • Operating current

    1.5 to 3.5 mA

  • Regulation over 1.5-3.5 mA

    3 V

  • Voltage jumps

    100 mV

    1.5-3.5 mA

  • Life expectancy

    10000 to - h

    Exceeding

Data set 05

1966 Tung Sol Electronic Tubes 3 of 4

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Other

  • DC operating current minimum

    1.5 mA

    ReferenceService

  • DC operating current maximum

    3.5 mA

    ReferenceService

  • Maximum shunt capacitor

    0.02 uF

    ReferenceService

Characteristic

  • Tube voltage drop at 1.5 mA

    84.5 V

    ReferenceService

  • Tube voltage drop at 3.5 mA

    86 V

    ReferenceService

  • Anode breakdown voltage average

    106 V

    ReferenceService

  • Regulation

    1.5 V

    1.5To3.5mA