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Rectifier - Half Wave ·Rectifier

5973

High-vacuum half-wave rectifier and surge-limiting diode for very-high-voltage, high-current radar and power supplies, combining approximately 75 kV inverse-voltage capability with ampere-class output.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
-
Nominal heater
16 V / 20.2 A

Description

High-vacuum rectifier and surge-limiting diode rated for very high current and voltage service.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
-
Nominal heater voltage
16 V
Nominal heater current
20.2 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
Max plate dissipation
850 W
Rectifier peak inverse voltage
75000 V
Rectifier nominal output current
1.25 A
Rectifier peak forward current
20 A
Rectifier forward voltage drop
950 V
Rectifier warm-up time
30 s

Published ratings and characteristics promoted from the supplied General Electric source where explicitly available.

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

1950 General Electric Transmitting Types

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • HeaterOrFilamentVoltage

    16 V

  • Filament Voltage

    16 V

Other

  • RectifierAverageCurrent

    1.25 A

    At40kV

  • LimiterPeakCurrent

    20 A

    At75kV

Data set 02

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Filament Voltage Minimum

    15.2 V

  • Filament Voltage Maximum

    16.8 V

  • FilamentCurrentMaximum

    20.2 A

  • InterelectrodeCapacitance

    14 pF

  • LimiterPeakForwardVoltage

    20000 V