6878

Water-cooled double-grid mercury-pool ignitron designed for railroad-locomotive rectifier service, using multiple ignitors and coaxial cathode-current return for high-current traction power conversion.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

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

Description

Water-cooled double-grid ignitron designed for railroad locomotive rectifier service, with three ignitors and a coaxial cathode-current return.

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

Max plate voltage: 1100 V

Ignitron/control-rectifier section; schema has no dedicated Ignitron SectionType, so Other is used. Published rectifier ratings preserved 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

Peak inverse anode voltage
1100 V
PowerRectifier
Peak anode current
2500 A
PowerRectifier
Continuous average anode current
675 A
PowerRectifier