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EN31

Gas-filled thyratron for high-frequency time-base and control equipment. Controlled discharge supports relaxation timing, triggering, and electronic switching.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: IO
Base pins: -
Nominal heater: 6.3 V / 1.3 A

Description

Gas-filled thyratron for high-frequency time-base and control equipment.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: IO
Base pins: -
Nominal heater voltage: 6.3 V
Nominal heater current: 1.3 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

Thyratron

X-ray radiationInterelectrode capacitances

Max plate voltage: 1000 V
Max cathode current: 750 mA

Gas-filled thyratron; pulse and frequency ratings 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

1951 Mullard Valve and Service Manual

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristics

Gas filling
Gas

Other

Peak anode-cathode voltage
1500 V
Pulse
Maximum operating frequency
150 kHz

Application

Half-wave rectifier service
Published