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Specialized - Thyratron ·Thyratron

FX215

Hydrogen-filled pulse thyratron for high peak-current and high forward- and inverse-voltage pulse applications. Fast discharge switching handles substantial pulse energy.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
2.5 V / 27.5 A

Description

The Marconi FX215 is a hydrogen-filled pulse thyratron for high peak-current and high forward/inverse-voltage pulse applications.

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
2.5 V
Nominal heater current
27.5 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
200 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

    2.5 V

  • Heater current

    27.5 A

  • Cathode heating time

    120 s

  • Maximum anode voltage

    16000 V

  • Peak anode current

    200 A

  • Average anode current

    200 mA

  • Peak inverse voltage

    16000 V

  • Duty cycle maximum

    0.001

  • Trigger voltage minimum

    150 V

  • Ambient temperature

    -50 to 90 C