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Tube Tinker — Electron Tube Database
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Specialized - Thyratron ·Thyratron

2C4

Gas-filled grid-controlled thyratron for switching, controlled-rectifier, relay, motor-control, oscillator, or pulse service as documented by the manufacturer.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
7
Nominal heater
2.5 V / 650 mA

Description

Miniature thyratron designed for compact, lightweight portable equipment and intermittent control service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
7
Nominal heater voltage
2.5 V
Nominal heater current
650 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

No fixed ratings are recorded for this section.

Thyratron section; published trigger/anode ratings are preserved in 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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

  • Peak Anode Current

    20 mA

  • Average Anode Current

    5 mA

  • PeakAnodeVoltage

    400 V

Characteristic

  • Tube Voltage Drop

    16 V

    PeakAnodeCurrent=5mA