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Specialized - Thyratron ·Thyratron

6012

Gas-filled grid-controlled thyratron for controlled rectifier, relay, motor-control, industrial switching, or pulse service.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B7G
Base pins
8
Nominal heater
6.3 V / 260 mA

Description

INDUSTRIAL TYPE H Glass octal negative-control gas-tetrode thyratron5.7 for ~ use in relay and grid-controlled rectifier applications. if az Outlines section, 36; requires octal socket. 6C0 Min. Av. Max.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7G
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
260 mA
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
Transconductance
0.0065 S
Amplification factor
47
Max plate voltage
1300 V
Max cathode current
5 A
Rectifier forward voltage drop
10 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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristic

  • Gas

    Xenon

  • Anode Voltage Drop

    12 V

  • Ionization Time

    0.5 us

    AnodeVoltage=100V;AnodeCurrent=5A

Other

  • MaximumAverageAnodeCurrent

    500 mA

  • MinimumCathodeHeatingTime

    30 s

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

    1300 V

  • Peak inverse anode voltage

    1300 V

  • Peak cathode/anode current

    5 A

  • Average cathode/anode current

    500 mA

  • Fault or surge current

    50 A

    ShortDuration

  • Heater voltage

    6.3 V

  • Heater current

    2.6 A

  • Maximum outage time without reheating

    5 s

Characteristic

  • Ionization time

    0.5 us

    Approximate

  • Deionization time

    35 us

    Approximate

  • Anode voltage drop

    10 V

    Conducting

  • Minimum heating time

    30 s

    BeforeConduction

  • Grid No.1 control ratio

    150

  • Grid No.2 control ratio

    650

Construction

  • Gas fill

    Gas

Capacitance

  • Grid-to-anode capacitance

    0.23 pF

    Approximate

  • Grid-to-cathode capacitance

    5.8 pF

    Approximate

Data set 03

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristic

  • Amplification Factor

    47

    Published value from supplied target entry

  • Plate Resistance

    7250 ohms

    Published value from supplied target entry

  • Transconductance

    6500

    Published value from supplied target entry

  • Plate Current

    8.2 mA

    Published value from supplied target entry

  • Grid Voltage (Approx.) for plate current of

    -5.5 volts

    Published value from supplied target entry

  • Heater Voltage (ac/dc)

    6.9 volts

    Published value from supplied target entry

  • Heater Current

    2.85 amperes

    Published value from supplied target entry

  • =

    0 volts

    Published value from supplied target entry

  • grid-No.l square-pulse volts =

    50 volts

    Published value from supplied target entry

  • Anode Voltage Drop (Approx.)

    10 volts

    Published value from supplied target entry

  • For conditions grid-No

    1 megohms

    Published value from supplied target entry

  • 0, grid-No.2

    2

    Published value from supplied target entry

  • resistor (megohms) =

    150 megohms

    Published value from supplied target entry

  • Grid-No

    2

    Published value from supplied target entry

  • 0, grid-No.

    0

    Published value from supplied target entry

  • 0, and grid-No. volts = 0 650

    650 volts

    Published value from supplied target entry

  • Inverse

    1300 volts

    Published value from supplied target entry

  • Average Grid-No

    0.05 ampere

    Published value from supplied target entry

  • Average Grid-No.l Current# +

    0.05 ampere

    Published value from supplied target entry

  • Grid-No.l-Circuit Resistance

    2 megohms

    Published value from supplied target entry

  • VOLTAGE RANGE OF

    6.9 VOLTS

    Published value from supplied target entry

  • Heater Voltage

    10 volts

    Published value from supplied target entry

  • Heater Current

    2.5 amperes

    Published value from supplied target entry

  • Plate-Supply Voltage

    135 volts

    Published value from supplied target entry

  • Amplification Factor

    2

    Published value from supplied target entry

  • Plate Resistance

    280 ohms

    Published value from supplied target entry

  • Transconductance

    7000 mhos

    Published value from supplied target entry

  • Plate Current

    125 mA

    Published value from supplied target entry

Capacitance

  • Grid to Plate (each unit)

    8 pF

    Published value from supplied target entry

  • Heater to Cathode (each unit)

    11 PF

    Published value from supplied target entry