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Specialized - Thyratron ·Thyratron

3V500A

High-voltage mercury-vapor thyratron for controlled power switching and rectification, using grid triggering to initiate conduction in demanding high-voltage circuits.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
LARGE4BAYONET
Base pins
4
Nominal heater
4 V / 11 A

Description

High-voltage mercury-vapor thyratron.

Socket description

Large 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
LARGE4BAYONET
Base pins
4
Nominal heater voltage
4 V
Nominal heater current
11 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

Thyratron

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
20000 V
Rectifier nominal output current
1.25 A
Rectifier peak forward current
5 A

Values transcribed from the approved datasheet; additional published data retained as parameters.

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

1946 Standard Telephone and Cables

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

  • Anode to grid

    2 pF

    Published direct interelectrode capacitance

  • Grid to cathode

    15 pF

    Published direct interelectrode capacitance

  • Heater/filament nominal current

    11 A

    Nominal published value