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Voltage Regulator ·VoltageRegulator

5787

Subminiature cold-cathode gas-filled voltage regulator maintaining approximately 100 V over roughly a 5–25 mA operating range.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
-

Description

Cold-cathode gas-filled subminiature voltage regulator maintaining approximately 100 V over a 5 to 25 mA operating-current range.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
9
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 plate voltage
135 V
Max cathode current
26 mA
Regulator voltage
100 V
Regulator minimum current
5 mA
Regulator maximum current
25 mA
Regulator starting voltage
135 V
Regulator maintaining voltage
100 V

Published maximum ratings and characteristics promoted from the approved source; repeated identical sections compressed 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

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Voltage Regulator

Other

  • Maximum Plate Voltage

    135 V

  • Maximum Cathode Current

    26 mA

  • RegulatorVoltage

    100 V

  • RegulatorCurrentMinimum

    5 mA

  • RegulatorCurrentMaximum

    25 mA

  • RegulatorStartingVoltage

    135 V

  • RegulatorMaintainingVoltage

    100 V