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Rectifier - Half Wave ·Rectifier

6894

Mercury-vapor high-current half-wave rectifier for high-voltage power supplies. Its heavy filament and gas-assisted conduction provide multiampere output at tens of kilovolts.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
-
Nominal heater
5 V / 10 A

Description

Mercury-vapor or gas-filled high-current rectifier for power-supply service. The supplied datasheet was reviewed for heater/filament data, maximum ratings, operating conditions, capacitances, pulse/RF data, and thermal limits.

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
5 V
Nominal heater current
10 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
2.5 A
Rectifier peak forward current
5 A
Rectifier warm-up time
30 s

Promoted fields populated from published ratings/characteristics; additional published values retained in TUBE_SECTION_PARAMETER.

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

1962 Eimac

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Filament Current

    9 A to 11 A

  • Anode Starting Voltage Approximate

    20 V

Other

  • Peak Inverse Anode Voltage

    20 kV

    CondensedMercury=20-50C

  • Peak Inverse Anode Voltage

    15 kV

    CondensedMercury=20-55C

  • Peak Inverse Anode Voltage

    10 kV

    CondensedMercury=20-60C

  • Peak Anode Current

    5 A

    QuadratureFilamentExcitation

  • Peak Anode Current

    3 A

    InPhaseFilamentExcitation

  • Average Anode Current

    2.5 A

    QuadratureFilamentExcitation

  • Average Anode Current

    1.8 A

    InPhaseFilamentExcitation

  • Maximum AC Short Circuit Current

    100 A

    Duration<=100ms

Data set 02

1965 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Filament Current Range

    9 A to 11 A

Other

  • Filament Heating Time

    30 s

  • Anode Starting Voltage

    20 V

  • Peak Inverse Voltage at 20-50C

    20000 V

  • Peak Inverse Voltage at 20-55C

    15000 V

  • Peak Inverse Voltage at 20-60C

    10000 V

  • Peak Anode Current Quadrature

    11.5 A

  • Peak Anode Current InPhase

    8.3 A

  • Average Anode Current Quadrature

    2.5 A

  • Average Anode Current InPhase

    1.8 A

  • AC Short Circuit Current Maximum

    100 A

Data set 03

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Pin 2 - Filament, — published value 1

    2

    Published datasheet value

  • Pin 2 - Filament, — published value 2

    4

    Published datasheet value

Data set 04

1975 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Filament Current Range

    9 A to 11 A

Other

  • Anode Starting Voltage

    20 V

  • Peak Inverse Voltage at 20-50C

    20000 V

  • Peak Inverse Voltage at 20-55C

    15000 V

  • Peak Inverse Voltage at 20-60C

    10000 V

  • Peak Anode Current Quadrature

    11.5 A

  • Peak Anode Current InPhase

    8.3 A

  • Average Anode Current Quadrature

    2.5 A

  • Average Anode Current InPhase

    1.8 A

  • AC Short Circuit Current Maximum

    100 A

Data set 05

1976 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • Filament Current Range

    9 A to 11 A

Other

  • Anode Starting Voltage

    20 V

  • Peak Inverse Voltage at 20-50C

    20000 V

  • Peak Inverse Voltage at 20-55C

    15000 V

  • Peak Inverse Voltage at 20-60C

    10000 V

  • Peak Anode Current Quadrature

    11.5 A

  • Peak Anode Current InPhase

    8.3 A

  • Average Anode Current Quadrature

    2.5 A

  • Average Anode Current InPhase

    1.8 A

  • AC Short Circuit Current Maximum

    100 A