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Specialized - Ignitron ·IgnitronPowerSwitch

5555A

Water-cooled mercury-pool ignitron designed for high-power rectification and AC control, providing controlled conduction of very large currents in industrial power systems.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
0 V / 0 mA

Description

Water-cooled mercury-pool ignitron for high-power rectification and AC control.

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
0 V
Nominal heater current
0 mA
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.

Mercury-pool ignitron switching/rectifying system; high-current ratings retained as 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

1947 Westinghouse

Published operating points and test conditions from this source.

SECTION 1

IgnitronPowerSwitch

Application

  • Application

    PowerRectifier_ACControl text

Other

  • MaximumAverageCurrent

    207 A

  • MaximumSurgeCurrentPeak

    6000 A