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Specialized - Thyratron ·Thyratron

1G45P

Hydrogen thyratron for high-speed pulse-switching service. Controlled gas discharge provides fast, repeatable conduction in pulse-power circuits.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
4
Nominal heater
6.3 V / 2.25 A

Description

Hydrogen thyratron for radar-modulator and pulse switching service; interchangeable with 3C45.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
4
Nominal heater voltage
6.3 V
Nominal heater current
2.25 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
3000 V

Hydrogen thyratron for radar-modulator and pulse switching service; interchangeable with 3C45.

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

1982 Toshiba

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

  • Peak Anode Current

    35 A

  • Average Anode Current

    45 mA

  • Minimum DC Supply Voltage

    800 V

  • Maximum Rate of Rise of Anode Current

    750 A/us

  • Pulse Repetition Rate

    2500 pps

  • Pulse Duration

    6 us

  • DC Anode Supply Voltage

    1500 V

    PulseModulator

  • Pulse Repetition Rate

    2500 pps

    PulseModulator

  • Pulse Width

    0.5 us

    PulseModulator

  • Peak Power Output

    45 kW

    PulseModulator