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Specialized - Thyratron ·Thyratron

677

High-voltage grid-controlled vapor rectifier designed for pulsed and controlled rectification, combining triggered conduction with substantial inverse-voltage capability.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
IO
Base pins
-
Nominal heater
5 V / 10 A

Description

High-voltage grid-controlled vapor rectifier for pulsed and controlled rectification service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
IO
Base pins
-
Nominal heater voltage
5 V
Nominal heater current
10 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
10000 V
Max cathode current
15 A
Rectifier peak inverse voltage
10000 V
Rectifier nominal output current
4 A
Rectifier peak forward current
15 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

1947 Westinghouse

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

  • HeaterVoltageNominal

    5 V

    Nominal

  • HeaterCurrentNominal

    10 A

    Nominal

  • Maximum Peak Inverse Voltage

    10000 V

  • AverageOrDCOutputCurrent

    4 A

  • MaximumPeakForwardCurrent

    15 A

  • Peak Forward Anode Voltage

    10000 V

Characteristic

  • Forward Voltage Drop

    12 V

  • Cathode Heating Time

    300 s

  • IonizationTimeMaximum

    10 us

Data set 02

1971 RCA HB3 Binder 2 of 7

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

  • Peak forward anode voltage

    10000 V

  • Peak inverse anode voltage

    10000 V

  • Peak cathode/anode current

    15 A

  • Average cathode/anode current

    4 A

  • Fault or surge current

    16 A

    ShortDuration

  • Ambient temperature range

    30 to 50 C

  • Heater voltage

    5 V

  • Heater current

    10 A

  • Maximum peak grid voltage

    -500 V

Characteristic

  • Ionization time

    10 us

    Approximate

  • Deionization time

    1000 us

    Approximate

  • Anode voltage drop

    12 V

    Conducting

Construction

  • Gas fill

    Mercury vapor

Capacitance

  • Grid-to-anode capacitance

    5 pF

    Approximate