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Rectifier - Half Wave ·Rectifier

FG32

Indirectly heated mercury-vapor half-wave rectifier for high-current service. Its heavy heater and low arc voltage provide multiampere output with multi-kilovolt blocking capability.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
4
Nominal heater
5 V / 4.5 A

Description

GL-5558/FG-32 half-wave mercury-vapor rectifier for high-current, low-voltage service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
4
Nominal heater voltage
5 V
Nominal heater current
4.5 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
Rectifier peak inverse voltage
5000 V
Rectifier nominal output current
2.5 A
Rectifier peak forward current
5 A
Rectifier forward voltage drop
12 V
Rectifier warm-up time
300 s

Half-wave mercury-vapor phanotron.

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

1956 National Electronics Industrial Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum peak inverse voltage

    5000 V

    Published datasheet value

  • Maximum DC output current

    2.5 A

    Published datasheet value

  • Maximum instantaneous output current

    15 A

    Published datasheet value

  • Maximum AC short-circuit current

    200 A

    Published datasheet value

Characteristics

  • Heating time

    300 s

    Published datasheet value

  • Typical arc drop

    12 V

    At stated peak current

Data set 02

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Instantaneous Anode Current Below 25 Cycles

    5 A

  • Surge Anode Current

    200 A

    DesignOnly