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Rectifier - Half Wave ·Rectifier

1654

Ruggedized directly heated half-wave rectifier for very small currents at high voltage, combining exceptionally low filament power with approximately 7 kV inverse-voltage capability.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B7G
Base pins
7
Nominal heater
1.4 V / 50 mA

Description

Ruggedized directly heated single-diode high-voltage rectifier for very small currents at high voltage.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7G
Base pins
7
Nominal heater voltage
1.4 V
Nominal heater current
50 mA
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 cathode current
20 mA
Rectifier peak inverse voltage
7000 V
Rectifier nominal output current
1 mA
Rectifier peak forward current
6 mA

Half-wave high-vacuum rectifier.

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

1958 Compagnie General

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Peak Inverse Voltage

    4300 V

  • Maximum Supply Frequency

    500 Hz

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Capacitance

  • Plate To Filament Capacitance

    1.4 pF

Other

  • AC Plate Supply Voltage

    2500 V

    HalfWaveRectifier

  • FilterInputCapacitance

    0.025 uF

    HalfWaveRectifier

  • TotalEffectivePlateSupplyImpedance

    175000 ohm

  • DC Output Voltage

    2350 V

    AtFilterInput

  • HotSwitchingPeakCurrent

    20 mA

    Duration=0.1s