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Specialized - Thyratron ·Thyratron

8488

Rugged hydrogen-filled three-element thyratron with internal reservoir for high-energy pulse-network discharge service. Controlled gas switching handles substantial pulse energy.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
JUMBO4B
Base pins
-
Nominal heater
6.3 V / 10 A

Description

Hydrogen-filled three-element thyratron for high-energy pulse-network discharge service, with internal hydrogen reservoir and rugged construction.

Socket description

Super Jumbo 4-pin bayonet

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
JUMBO4B
Base pins
-
Nominal heater voltage
6.3 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
16000 V
Rectifier nominal output current
225 mA
Rectifier warm-up time
180 s

Applicable promoted fields mapped semantically from the printed ratings; device-specific electrical limits and operating conditions are preserved densely in TUBE_SECTION_PARAMETER.

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

1962 ITT

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristic

  • Heater Voltage

    5.9 to 6.7 V

  • Heater Current

    9 A to 11 A

Other

  • Minimum Heating Time

    3 min

  • Peak Forward Anode Voltage

    16000 V

  • Average Anode Current

    225 mA

  • RMS Anode Current

    6.3 A

  • Peak Inverse Trigger Voltage

    200 V

Data set 02

1964 RMA EIA

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

  • Heater voltage minimum

    5.9 V

  • Heater voltage maximum

    6.7 V

  • Heater current minimum

    9 A

  • Heater current maximum

    11 A

  • Peak forward anode voltage maximum

    16 kV

  • Peak inverse anode voltage maximum

    16 kV

  • Minimum anode supply voltage

    3.5 kV

  • Peak average anode current maximum

    325 A

  • Average anode current maximum

    225 mA

  • RMS anode current maximum

    6.3 A

  • Anode current rise rate maximum

    15000 A/us

  • Peak inverse trigger voltage maximum

    200 V

  • Anode delay time maximum

    0.6 us

  • Time jitter initial maximum

    0.0005 us

  • Time jitter end-of-life maximum

    0.01 us

Characteristics

  • Minimum heating time

    3 min