Alternatives & variations Download PDF datasheet

RG41250

Directly heated mercury-vapor half-wave rectifier for substantial power conversion. Its massive filament and low arc voltage provide ampere-class output at high voltage.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: GOLIATH
Base pins: 4
Nominal heater: 4 V / 11 A

Description

Mercury-vapour half-wave rectifier for power rectification, rated up to 20 kV peak inverse and 1.25 A average cathode current. Ratings include 25 A surge current, 150 c/s maximum operating frequency, and mercury-temperature-dependent PIV limits.

Socket description

Goliath industrial rectifier base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: GOLIATH
Base pins: 4
Nominal heater voltage: 4 V
Nominal heater current: 11 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: 20000 V
Rectifier nominal output current: 1.25 A
Rectifier peak forward current: 5 A
Rectifier forward voltage drop: 12 V
Rectifier warm-up time: 60 s

Gas-discharge device.

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
Mercury vapour

Other

Cathode Surge Current
25 A
FaultProtection;MaximumDuration0.1s
Maximum Operating Frequency
150 Hz
Condensed Mercury Temperature at 20 kV PIV
20 to 40 C
PIV20000V
Condensed Mercury Temperature at 10 kV PIV
20 to 55 C
PIV10000V
Filament Voltage Maximum
4.1 V
Filament Voltage Minimum
3.9 V
DC Output Voltage
6300 V
SinglePhaseFullWave;TwoValves
DC Output Current
2.5 A
SinglePhaseFullWave;TwoValves

Data set 02

1971 Mullard Gas Filled Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Maximum peak inverse anode voltage
20 kV
Maximum average cathode current
2 A
Maximum surge cathode current
1.25 A
Fault protection
Heater/filament voltage
4 V
Heater/filament current
11 A