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AH201

Marconi hot-cathode mercury-vapor half-wave rectifier for high-voltage supplies, providing approximately 11 kV inverse-voltage capability and moderate current.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 25 V / 5 A

Description

The Marconi AH201 is a hot-cathode mercury-vapor rectifier for high-voltage rectifier service up to about 10 kv.

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: 25 V
Nominal heater current: 5 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: 11000 V
Rectifier nominal output current: 250 mA
Rectifier peak forward current: 1 A

Mercury-vapor rectifier; highest explicit rectifier ratings promoted.

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

1955 Marconi

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Filament voltage
25 V
Filament current
5 A
Peak inverse voltage
11000 V
Peak anode current
1 A
Average anode current
250 mA
Maximum DC output voltage
5 kV
3PhaseHalfWave
Maximum DC output current
750 mA
3PhaseHalfWave
Maximum DC output voltage
10 kV
3PhaseFullWave
Maximum DC output current
750 mA
3PhaseFullWave

Construction

Filling
Mercury vapor
Cooling
Air blast / source-specified thermal control