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Specialized - Thyratron ·Thyratron

21TE31

Xenon-filled tetrode thyratron for industrial switching and regulating circuits, including controlled-rectifier and sawtooth-generator service.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B7G
Base pins
-
Nominal heater
6.3 V / 600 mA

Description

Xenon-filled tetrode thyratron for switching and regulating circuits in industrial equipment, including controlled-rectifier and sawtooth-generator service.

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
-
Nominal heater voltage
6.3 V
Nominal heater current
600 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

Thyratron

X-ray radiationInterelectrode capacitances
Max plate voltage
650 V

Published ratings and characteristics promoted from the source where directly stated.

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 Tesla

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristics

  • Heater or filament voltage

    6.3 V

    Published nominal value

  • Heater or filament current

    600 mA

    Published nominal value

Other

  • Peak cathode current

    500 mA

    Published peak limit

  • Average cathode current

    100 mA

    30-second averaging interval