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Specialized - Ignitron ·IgnitronPowerSwitch

7672

Water-cooled coaxial ignitron for frequency-changer welding service. Its controlled mercury-discharge construction handles very high peak currents.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
-

Description

Sealed stainless-steel-jacketed, water-cooled coaxial ignitron for frequency-changer welder service. Two tubes in inverse parallel can control high peak current, and the coaxial current path reduces magnetic arc deflection.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
-
Nominal heater current
-
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

IgnitronPowerSwitch

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Ignitron; water-cooled coaxial welding-control tube.

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

1950 General Electric Transmitting Types

Published operating points and test conditions from this source.

SECTION 1

IgnitronPowerSwitch

Other

  • Peak anode voltage forward maximum

    1500 V

    Published datasheet value

  • Peak anode voltage inverse maximum

    1500 V

    Published datasheet value

  • Peak anode current maximum

    1500 A

    Welding

  • Average anode current maximum

    70 A

    Welding

Characteristic

  • Ignitor firing voltage

    200 V

    Published datasheet value

  • Ignitor firing current

    30 A

    Published datasheet value

Data set 02

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

IgnitronPowerSwitch

Other

  • Peak anode current

    1500 A

    Frequency-changer welder service

Characteristic

  • Arc drop at 1500 A peak

    25 V