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Specialized - Thyratron ·Thyratron

ELC6JA

ELC6JA is a directly heated xenon-filled grid-controlled rectifier thyratron for heavy industrial power control. Its tantalum-anode construction and massive filament support substantial controlled gas-discharge current.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
A4-81
Socket code
A
Base pins
4
Nominal heater
2.5 V / 21 A

Description

ELC6JA is a grid-control xenon rectifier tube using tantalum anode and xenon gas filling. The datasheet publishes filament, anode-current, inverse-voltage, arc-drop and operating ratings.

Socket description

A-type industrial rectifier base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
A4-81
Socket code
A
Base pins
4
Nominal heater voltage
2.5 V
Nominal heater current
21 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

A4-81 - 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
6.4 A
Rectifier peak inverse voltage
1250 V
Rectifier nominal output current
6.4 A
Rectifier peak forward current
77 A
Rectifier forward voltage drop
9 V

Grid-controlled xenon rectifier (thyratron).

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

1942 Electrons Inc

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

  • D-c. Meter Value - Continuous

    6.4 A

  • Oscillograph Peak - Continuously Recurring

    77 A

  • Peak Inverse Voltage

    1250 V

  • Filament Voltage

    2.5 V

  • Filament Current

    21 A

  • Peak Forward Voltage

    1000 V

  • Heating Time Minimum

    60 s

  • Maximum Negative Grid Voltage

    100 V

  • Maximum Short Circuit Current

    770 A

  • Maximum Commutation Factor

    0.66 V/us x A/us

Characteristics

  • Average Arc Drop

    9 V

  • Grid-Anode Capacitance

    4 pF

Data set 02

1958 Electrons Inc

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

  • Continuous DC anode current

    6.4 A

  • Overload anode current

    12.8 A

    LessThan3Seconds

  • Continuously recurring peak anode current

    77 A

  • Peak inverse voltage

    1250 V

  • Peak forward voltage

    1000 V

Construction

  • Gas filling

    Xenon

  • Anode material

    Tantalum

Capacitance

  • Grid-anode capacitance

    4 pF

Characteristic

  • Critical grid current maximum

    10 uA

  • Deionization time maximum

    1000 us

  • Filament current tolerance

    2 A