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Specialized - Thyratron ·Thyratron

G6JA

Xenon negative-control triode thyratron, co-designated G6J-A with the 5685 family, for substantial controlled-power switching.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
2.5 V / 21 A

Description

Co-designated G6J-A xenon negative-control triode thyratron from the 5685 source.

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
21 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
1000 V
Max cathode current
77 A
Rectifier forward voltage drop
12 V

Thyratron section; peak/average current, inverse voltage, timing, and gas/mercury data 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

1971 RCA HB3 Binder 2 of 7

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

  • Peak forward anode voltage

    1000 V

  • Peak inverse anode voltage

    1250 V

  • Peak cathode/anode current

    77 A

  • Average cathode/anode current

    6.4 A

  • Fault or surge current

    770 A

    ShortDuration

  • Ambient temperature range

    -55 to +75 C

  • Filament voltage

    2.5 V

  • Filament current

    21 A

  • Maximum commutation factor

    0.66 V*A/us^2

Characteristic

  • Ionization time

    10 us

    Approximate

  • Deionization time

    1000 us

    Approximate

  • Anode voltage drop

    12 V

    Conducting

  • Minimum heating time

    60 s

    BeforeConduction

  • Maximum critical grid current

    10 uA

  • Grid control ratio

    210

    Approximate

Construction

  • Gas fill

    Xenon

Capacitance

  • Grid-to-anode capacitance

    4 pF

    Approximate

  • Grid-to-cathode capacitance

    21 pF

    Approximate