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ESU115

Directly heated mercury-vapor half-wave rectifier intended for radio-relay amplifier supplies. Its gas-assisted conduction provides moderate current at multi-kilovolt voltage.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: B4
Socket code: -
Base pins: 4
Nominal heater: 4 V / 2.7 A

Description

High-voltage mercury-vapor half-wave rectifier for radio-relay amplifiers.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: B4
Socket code: -
Base pins: 4
Nominal heater voltage: 4 V
Nominal heater current: 2.7 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

B4 - 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: 6500 V
Rectifier nominal output current: 250 mA
Rectifier peak forward current: 1.25 A
Rectifier forward voltage drop: 16 V
Rectifier warm-up time: 60 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
20 to 60 C
TypicalBiphaseOutputVoltage
2 kV
TwoTubes
TypicalBiphaseOutputCurrent
500 mA
TwoTubes