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RR31250

Directly heated inert-gas-filled half-wave rectifier for high-voltage power conversion. Its heavy filament and gas-assisted conduction provide ampere-class output.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: J4
Base pins: -
Nominal heater: 5 V / 7 A

Description

Inert-gas-filled half-wave rectifier for high-voltage rectifier circuits, rated 10 kV peak inverse and 1.25 A average cathode current. Absolute ratings include 50 A surge current and 150 c/s maximum operating frequency.

Socket description

Jumbo 4-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: J4
Base pins: -
Nominal heater voltage: 5 V
Nominal heater current: 7 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: 13 V
Rectifier warm-up time: 30 s

Gas filling: Inert gas. Absolute ratings include 50 A surge current and 150 c/s maximum operating frequency.

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

1962 Mullard Industrial Rectifiers

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

Filling
Inert gas

Other

Cathode Surge Current
50 A
FaultProtection;MaximumDuration0.1s
Maximum Operating Frequency
150 Hz
Ambient Temperature
-55 to 70 C
DC Output Voltage
3100 V
SinglePhaseFullWave;TwoValves
DC Output Current
2.5 A
SinglePhaseFullWave;TwoValves