Alternatives & variations Download PDF datasheet

ESU111

Indirectly heated mercury-vapor half-wave rectifier for high-voltage industrial supplies. Its heavy heater requires extended warm-up before providing several amperes of rectified current.

Directly heatedCold cathodeCommon cathodeDissimilar

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

Description

Indirectly heated mercury-vapour half-wave rectifier with a three-minute cathode heating delay and temperature-derated operation up to 20 kV peak inverse voltage.

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
Peak Cathode Current
25 A
MercuryTemp=70C;PIV=5kV
Average Cathode Current
6 A
MercuryTemp=70C;PIV=5kV
Peak Cathode Current
20 A
MercuryTemp=65C;PIV=10kV
Average Cathode Current
5 A
MercuryTemp=65C;PIV=10kV
Peak Cathode Current
18 A
MercuryTemp=60C;PIV=15kV
Average Cathode Current
4 A
MercuryTemp=60C;PIV=15kV
Peak Cathode Current
15 A
MercuryTemp=55C;PIV=20kV
Average Cathode Current
3 A
MercuryTemp=55C;PIV=20kV