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Specialized - Thyratron ·Thyratron

7191

Rugged zero-bias miniature hydrogen thyratron for pulse-generation service. Its compact construction provides fast, repeatable gas switching in demanding equipment.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B7G
Base pins
7
Nominal heater
6.3 V / 1.8 A

Description

THE 7191 IS A ZERO BIAS MINIATURE HYDROGEN THYRATRON DESIGNED PRIMARILY

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
7
Nominal heater voltage
6.3 V
Nominal heater current
1.8 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
20 A

Published ratings and characteristics promoted from approved datasheet.

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

    Hydrogen

Other

  • PeakForwardAnodeVoltageMaximum

    1200 V

  • PeakInverseAnodeVoltageMaximum

    1200 V

  • Average Cathode Current Maximum

    50 mA

  • RMSCathodeCurrentMaximum

    1 A

  • OperatingFrequencyTested

    5000 Hz

  • CurrentRateOfRiseMaximum

    400 A/us

  • AnodeDelayTimeMaximum

    0.6 us

  • Cathode Heating Time

    30 s

Data set 02

1966 Tung Sol Electronic Tubes 4 of 4

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

  • Heater voltage

    6.3 V

    Nominal

  • Heater current

    1.8 A

    Nominal

  • Maximum cathode current

    50 mA

    Promoted published value

  • (WITH BOGIE HEATER VOLTAGE) If 1.6 1.6 2.O AMP.

    2 A

  • DC ANODE VOLTAGE Ebb

    300 V

    RATINGS

  • HEATER —CATHODE VOLTAGE Ehk —100

    25 V

    RATINGS

  • PEAK INVERSE GRID VOLTAGE egx

    150 V

    RATINGS

  • iIN PU LSEO OPERATION, THE PEAK INVERSE VOLTAGE, E%C LU5IVE OF A SPIKE OF 0.05 uSEL. MA%I MUM

    0.05 mA

    RATINGS

  • DURATION, SMALL NOT E%CERD 500 VOLT$ DURING THE FIRST 25 uG EC, FOLLOWING THE ANODE PULSE.

    25 mA

    RATINGS

  • THE GRID VOLTAGE PULSE WNICN IS 2F PERCENT OF TXE MA%I MU M. UN LOADED PULSE AMPII TUDE AND THE

    2 mA

    RATINGS

  • TINE JITTER IS MEASURED AT 50 PERf,ENT OF 'THE PULSE AMPII TUDE AFTER THE TUBE HAS BEEN OPERATING

    50 A

    RATINGS

  • VOLTAGES APPLIED OVER A RANGE OF 50 TO 2000 TO SOCPS AT 15G IN 4 MINUTES.

    4 Hz

    RATINGS

  • HEATER POWER. THE BOGEY HEATERVOLTAGE OF

    63 V

    RATINGS

  • PEAK VOLTAGE 2O

    500 V

    TYPICAL OPERATION

  • VOLTAGE RATE OF RISE µ SEC. 35O VOLTS

    35 V

    TYPICAL OPERATION

Characteristic

  • ICAL VIBRATION. THIS TUBE CAN SUPPLY PEAK PULSE POWER OF 10 KILOWATTS

    10 W

  • CATHODE HEATING TIME t$

    30 s

  • ANODE VOLTAGE DROP (AT' RECOMMENDED Ef) etd q

    125 V