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Specialized - Thyratron ·Thyratron

CH1095

Zero-bias hydrogen thyratron designed specifically for crowbar protection circuits, capable of roughly 800 A peak current at approximately 18 kV.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
8
Nominal heater
6.3 V / 16 A

Description

Zero-bias hydrogen thyratron for crowbar protection circuits, capable of about 800 A peak current at 18 kV.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
16 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
25000 V
Max cathode current
800 A
Rectifier forward voltage drop
200 V
Rectifier warm-up time
600 s

Published ratings and characteristics mapped semantically; identical repeated sections compressed.

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

Other

  • Heater voltage

    6.3 V

  • Heater current

    16 A

  • Cathode heater current minimum

    15 A

  • Cathode heater current bogey

    16 A

  • Cathode heater current maximum

    22 A

  • Reservoir voltage minimum

    3 V

    Reservoir

  • Reservoir voltage maximum

    5.5 V

    Reservoir

  • Peak cathode current

    800 A

    Pulse

  • Average cathode current

    100 mA

  • DC anode voltage maximum forward

    18000 V

  • DC anode voltage maximum inverse

    5000 V

  • Grid signal voltage minimum

    1000 V

  • Grid signal voltage maximum

    2000 V

  • Grid impedance minimum

    50 ohm

  • Grid impedance maximum

    500 ohm

Characteristic

  • Anode delay time maximum

    0.6 us

  • Anode voltage drop minimum

    50 V

  • Anode voltage drop maximum

    200 V

Data set 02

1966 Tung Sol Electronic Tubes 3 of 4

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

  • Cathode heater voltage minimum

    6 V

  • Cathode heater voltage nominal

    6.3 V

  • Cathode heater voltage maximum

    6.6 V

  • Cathode heater current minimum

    15 A

  • Cathode heater current nominal

    16 A

  • Cathode heater current maximum

    22 A

  • Reservoir voltage minimum

    3 V

    HydrogenReservoir

  • Reservoir voltage maximum

    5.5 V

    HydrogenReservoir

  • Reservoir current maximum

    6.7 A

    HydrogenReservoir

  • DC anode forward voltage minimum

    2 kV

    CrowbarService

  • DC anode forward voltage maximum

    18 kV

    CrowbarService

  • DC anode inverse voltage maximum

    5 kV

    CrowbarService

  • Peak cathode current

    800 A

    CrowbarService

  • Average cathode current

    1 A

    CrowbarService

  • Conduction time per fault

    0.1 s

    CrowbarService

  • Averaging time

    80 s

    CrowbarService

  • Grid signal voltage minimum

    1000 V

    Trigger

  • Grid signal voltage maximum

    2000 V

    Trigger

  • Grid impedance minimum

    150 ohm

    Trigger

  • Grid impedance maximum

    500 ohm

    Trigger

  • Ambient temperature minimum

    -50 degC

  • Ambient temperature maximum

    75 degC

Characteristic

  • Cathode heating time

    10 min

  • Reservoir heating time

    10 min

    HydrogenReservoir

  • Recovery time

    50 us

    CrowbarService

  • Grid voltage rate of rise

    1800 V/us

    Trigger

  • Anode delay time

    0.6 us

    Trigger

  • Anode voltage drop minimum

    50 V

    Conducting

  • Anode voltage drop maximum

    200 V

    Conducting

Construction

  • Gas fill

    Hydrogen

Application

  • Application

    Crowbar protection circuit

    HighVoltagePowerSupplyProtection