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Rectifier - Half Wave ·Rectifier

4B31

Rugged high-vacuum power diode for high-voltage clipping and rectifier service. Rated for approximately 16 kV peak inverse voltage and 60 mA DC output, with very high short-duration peak-current capability.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
SEE DATA
Socket code
SUPERJUMBO4B
Base pins
4
Nominal heater
5 V / 4.75 A

Description

Rugged high-vacuum power diode for clipper or rectifier service.

Socket description

Super Jumbo 4-contact base with bayonet

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
SEE DATA
Socket code
SUPERJUMBO4B
Base pins
4
Nominal heater voltage
5 V
Nominal heater current
4.75 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

SEE DATA - 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

Rectifier

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
16000 V
Rectifier nominal output current
60 mA
Rectifier peak forward current
16 A
Rectifier forward voltage drop
150 V
Rectifier warm-up time
120 s

Promoted only from clearly identified printed ratings/characteristics; additional published operating points retained in TUBE_SECTION_PARAMETER.

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

Rectifier

Characteristics

  • Heater or filament voltage

    5 V

    Published nominal value

  • Heater or filament current

    4.75 A

    Published nominal value

Other

  • Peak inverse voltage

    16000 V

    Published rating

  • Average or DC output current

    15 mA

    Published rating

  • Peak forward current

    470 mA

    Published rating

Data set 02

195X Raytheon Special Purpose Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak inverse voltage maximum

    16000 V

    ClipperDiode

  • Peak plate current maximum

    16 A

    ClipperDiode

  • DC output current maximum

    60 mA

    ClipperDiode

Characteristic

  • Average tube voltage drop

    150 V

    ClipperDiode