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Rectifier - Half Wave ·Rectifier

4B32

Directly heated xenon-filled half-wave rectifier for high-voltage supplies over a wide temperature range. Rated for approximately 10 kV peak inverse voltage, 1.25 A DC output, and 5 A peak current.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B4
Base pins
4
Nominal heater
4 V / 5 A

Description

Xenon-filled half-wave rectifier with high peak-current capability and a wide temperature range.

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
4
Nominal heater voltage
4 V
Nominal heater current
5 A
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

Rectifier

X-ray radiationInterelectrode capacitances
Max cathode current
1.25 A
Rectifier peak inverse voltage
10000 V
Rectifier nominal output current
1.25 A
Rectifier peak forward current
5 A
Rectifier forward voltage drop
16 V
Rectifier warm-up time
5 s

Published ratings and 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

Rectifier

Other

  • Supply frequency

    50 Hz

    ChokeInputFilter

  • Minimum cathode heating time

    30 s

  • Maximum fault anode current

    50 A

  • Maximum fault-current duration

    0.1 s

Data set 02

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Filament heating time

    30 s

  • Tube voltage drop

    10 V

Other

  • Peak inverse anode voltage

    10000 V

  • Peak anode current

    5 A

  • Average anode current

    1.25 A

  • Surge current

    50 A

Data set 03

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Heater Warmup Time

    5 s

Other

  • MaximumSurgeCathodeCurrent

    50 A

Data set 04

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Filament heating time

    30 s

    HalfWave;Xenon

  • Tube voltage drop

    10 V

    HalfWave;Xenon

Other

  • Peak inverse anode voltage maximum

    10000 V

    HalfWave;Xenon

  • Peak anode current maximum

    5 A

    HalfWave;Xenon

  • Average anode current maximum

    1.25 A

    HalfWave;Xenon

  • Surge current maximum

    50 A

    HalfWave;Xenon

Data set 05

1971 English Electric Valve

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Filament voltage

    5 V

  • Filament current

    7.1 A

  • Minimum filament heating time

    30 s

  • Fault current

    50 A

    0.1 s maximum

  • Maximum power-supply frequency

    150 Hz