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Rectifier - Half Wave ·Rectifier

72

Directly heated high-vacuum rectifier with thoriated-tungsten filament and convection cooling. Rated for approximately 20 kV peak inverse voltage, 20 mA DC output, and 100 mA peak current.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
MEDIUM4BAYONET
Base pins
-
Nominal heater
2.6 V / 3 A

Description

High-vacuum rectifier with a thoriated-tungsten filament, convection cooling, and a 20 kV maximum peak inverse-voltage rating.

Socket description

Medium 4-contact bayonet base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
MEDIUM4BAYONET
Base pins
-
Nominal heater voltage
2.6 V
Nominal heater current
3 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
20 mA
Rectifier peak forward current
100 mA
Rectifier forward voltage drop
200 V

Published electrical section from 72.pdf; identical repeated sections compressed when applicable.

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

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Voltage

    2.6 V

    Voltage 2,6 volts

  • 7-/2 BULS Current

    3 A

    7-/2 BULS Current 3.0 amperes

  • Max, Tube Drop at

    75 mA

    Max, Tube Drop at 75 ma. 200 volts

  • Peak Inverse Voltage#

    20 V

    Peak Inverse Voltage# 20,000 volts

  • BAYONET Peak Plate Current

    100 mA

    BAYONET Peak Plate Current 100 ma.

  • % @ Average Plate Current

    20 mA

    % @ Average Plate Current 20 ma e