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Specialized - Thyratron ·Thyratron

FX219

Hydrogen-filled thyratron for high-repetition-frequency, high-voltage pulse operation. Controlled gas discharge provides rapid repeatable switching.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 10.6 A

Description

The Marconi FX219 is a hydrogen-filled thyratron for high-repetition-frequency high-voltage pulse operation.

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
6.3 V
Nominal heater current
10.6 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
325 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

    6.3 V

  • Heater current

    10.6 A

  • Cathode heating time

    300 s

  • Maximum anode voltage

    160000 V

  • Peak anode current

    325 A

  • Average anode current

    200 mA

  • Peak inverse voltage

    160000 V

  • Maximum current rise rate

    1500 A/us

  • Ambient temperature

    -50 to 90 C