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Rectifier - Half Wave ·Rectifier

ESU74

High-vacuum half-wave rectifier for very-high-voltage, relatively low-current supplies. Its heavy filament and roughly 40 kV inverse-voltage capability suit specialized industrial systems.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
4 V / 11.5 A

Description

High-vacuum half-wave rectifier.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
4 V
Nominal heater current
11.5 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
50 W
Rectifier peak inverse voltage
40000 V
Rectifier nominal output current
80 mA

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

1960 Mazda

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum anode dissipation

    50 W