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ESU107

Indirectly heated mercury-vapor half-wave rectifier for high-current supplies. Its massive heater and low arc voltage provide several amperes at high voltage.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 5 V / 12 A

Description

Indirectly heated half-wave mercury-vapour rectifier; two valves in a full-wave circuit can deliver 6 A at 6.3 kV, with ratings dependent on condensed-mercury temperature.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: 5 V
Nominal heater current: 12 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: 20000 V
Rectifier nominal output current: 6 A
Rectifier peak forward current: 25 A
Rectifier forward voltage drop: 15 V
Rectifier warm-up time: 180 s

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

1961 AEI Industrial Valves

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

CondensedMercuryTemperatureRange
25 to 70 C
MaximumOperatingFrequency
150 Hz
MaximumBiphaseOutputVoltage
6.3 kV
TwoTubes
MaximumBiphaseOutputCurrent
6 A
TwoTubes
MaximumSurgeCathodeCurrent
150 A
0.1s max
Peak Cathode Current
15 A
PIV=20kV;MercuryTemp=25-55C
Average Cathode Current
3 A
PIV=20kV;MercuryTemp=25-55C;MaxAverageTime=10s
Peak Cathode Current
18 A
PIV=15kV;MercuryTemp=25-60C
Average Cathode Current
4 A
PIV=15kV;MercuryTemp=25-60C;MaxAverageTime=10s
Peak Cathode Current
20 A
PIV=10kV;MercuryTemp=25-65C
Average Cathode Current
5 A
PIV=10kV;MercuryTemp=25-65C;MaxAverageTime=10s
Peak Cathode Current
25 A
PIV=5kV;MercuryTemp=25-70C
Average Cathode Current
6 A
PIV=5kV;MercuryTemp=25-70C;MaxAverageTime=10s

Data set 02

1961 Associated Electrical Industries

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Maximum operating frequency
150 Hz