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Specialized - Thyratron ·Thyratron

GT1C

Gas-filled grid-controlled thyratron for controlled rectification, relay, industrial control, oscillator, or pulse-switching service.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
4 V / 1.3 A

Description

The Marconi GT1C is a long-life gas thyratron for controlling currents up to one ampere.

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
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 cathode current
1 A

Gas thyratron; pulse and ignition values 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

1955 Marconi

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

  • Heater voltage

    4 V

  • Heater current

    1.3 A

  • Cathode heating time

    30 s

  • Maximum anode voltage

    500 V

  • Peak anode current

    1 A

  • Average anode current

    300 mA

  • RMS anode current maximum

    500 mA

Characteristic

  • Anode-cathode voltage drop

    16 V

  • Control ratio

    28