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Rectifier - Half Wave ·Rectifier

GU11

Marconi hot-cathode mercury-vapor half-wave rectifier for high-voltage, high-current power conversion, providing approximately 6 A average output.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
2.5 V / 50 A

Description

The Marconi GU11 is a hot-cathode mercury-vapor rectifier for service up to 6 a at 15 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
2.5 V
Nominal heater current
50 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
16000 V
Rectifier nominal output current
6 A
Rectifier peak forward current
20 A
Rectifier warm-up time
120 s

Mercury-vapor rectifier; highest published 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

    2.5 V

  • Filament current

    50 A

  • Peak inverse voltage

    16000 V

  • Peak cathode/anode current

    20 A

  • Average cathode current

    6 A

  • Minimum seasoning/preheat time

    120 s

  • 3-phase full-wave output voltage

    15 kV

  • 3-phase full-wave output current

    6 A

Construction

  • Filling

    Mercury vapor