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Rectifier - Half Wave ·Rectifier

5825

High-voltage half-wave vacuum rectifier for high-frequency power supplies. Its roughly 60 kV inverse-voltage capability and low output current emphasize extreme voltage handling.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
4P
Socket code
B9A
Base pins
4
Nominal heater
1.6 V / 1.25 A

Description

High-voltage half-wave vacuum rectifier for high-frequency power supplies. Published RCA data include the applicable ratings, characteristics, operating conditions, and capacitances from the supplied sheet.

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
4P
Socket code
B9A
Base pins
4
Nominal heater voltage
1.6 V
Nominal heater current
1.25 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

4P - 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
60000 V
Rectifier nominal output current
2 mA
Rectifier peak forward current
40 mA
Rectifier forward voltage drop
1750 V

Representative electrical section from supplied RCA data sheet.

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

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • DC output current

    2 mA

    HalfWave

  • Peak inverse voltage

    60000 V

    HalfWave

  • RMS supply voltage

    21200 V

    HalfWave

  • Peak current

    40 mA

    HalfWave

Characteristic

  • Tube voltage drop

    1750 V

    At40mADC

Data set 02

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Heater/filament voltage nominal

    1.6 V

    WholeTube

  • Heater/filament current

    1.25 A

    WholeTube

  • Voltage

    1.6 V

    Published source row

  • Current

    1 A

    Published source row

  • Current (value 2)

    25 A

    Published source row

  • PEAK INVERSE PLATE VOLTAGE

    60000 V

    Published source row

  • PEAK PLATE CURRENT

    40 mA

    Published source row

  • AVERAGE PLATE CURRENT

    2

    Published source row

  • PLATE DISSIPATION

    3.5 W

    Published source row

  • AC Plate-Supply Voltage (RMS)

    21200 V

    Published source row

  • Effective Plate-Supply Impedance

    120000 ohm

    Published source row

  • DC Output Current

    2 mA

    Published source row

  • At half-load current (

    1 mA

    Published source row

  • At half-load current ( (value 2)

    280 mA

    Published source row

  • At full-load current (

    2 mA

    Published source row

  • At full-load current ( (value 2)

    26700 mA

    Published source row

  • Half-load to full-load current

    1300 V

    Published source row

Characteristic

  • Plate to Filament

    2.2 pF

    Published source row

  • peak plate current

    1750 V

    Published source row

  • Filament Current

    1 A

    Published source row

  • Filament Current (value 2)

    1.15 A

    Published source row

  • Filament Current (value 3)

    1.35 A

    Published source row

  • Plate-Filament Capacitance

    2.14 pF

    Published source row

  • Plate-Filament Capacitance (value 2)

    2.26 pF

    Published source row

  • Note: witn

    1.6 V

    Published source row

  • do or low-frequency ac supply of

    1 V

    Published source row

  • do or low-frequency ac supply of (value 2)

    6 V

    Published source row

  • frequency ac at a voltage of

    1 V

    Published source row

  • frequency ac at a voltage of (value 2)

    68 V

    Published source row

  • a plate voltage above approximately

    20000 V

    Published source row