5553B

Thermostatically controlled ignitron for heavy industrial power switching. Its mercury-pool discharge path handles very high current while thermal control maintains suitable operating conditions.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

5553B is listed in the supplied Amperex material as a thermostatically controlled ignitron. Published ratings and operating characteristics were captured from the supplied table.

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.

Published ratings and operating/characteristic data reviewed.

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

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

IgnitronPowerSwitch

Other

RMS voltage minimum
250 V
ThermostaticallyControlledIgnitron
RMS voltage maximum
600 V
ThermostaticallyControlledIgnitron
Maximum KVA demand
2400 kVA
ThermostaticallyControlledIgnitron
Corresponding average current
192 A
ThermostaticallyControlledIgnitron
Maximum average-current KVA demand
800 kVA
ThermostaticallyControlledIgnitron
Maximum average current
355 A
ThermostaticallyControlledIgnitron
Cooling
Water
ThermostaticallyControlledIgnitron