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Specialized - Ignitron ·IgnitronPowerSwitch

8205

Water-cooled coaxial mercury-pool ignitron designed for AC-control welder service, providing controlled switching of very large industrial currents.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B9A
Base pins
-
Nominal heater
-

Description

Water-cooled coaxial ignitron for AC-control welder service.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
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 demand/current/ignitor ratings retained in parameters.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

IgnitronPowerSwitch

Other

  • RMSVoltageMinimum

    250 V

    TwoTubesInverseParallel

  • RMSVoltageMaximum

    600 V

    TwoTubesInverseParallel

  • MaximumDemand

    4800 kVA

    TwoTubesInverseParallel

  • MaximumAverageCurrent

    900 A

  • MaximumDemandCurrent

    9600 A

    Below500V

  • IgnitorVoltageRequiredToFire

    200 V

  • IgnitorCurrentRequiredToFire

    30 A