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FG154

Double-grid inert-gas thyratron for low-grid-power applications over a wide ambient-temperature range. Its heavy filament supports substantial controlled discharge.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 5 V / 7 A

Description

Double-grid inert-gas-filled thyratron for low-grid-power applications over wide ambient temperature.

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: 5 V
Nominal heater current: 7 A
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

Thyratron

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Promoted fields mapped semantically from printed ratings/characteristics headings. Fixed promoted fields are largely inapplicable to this special-purpose device; additional published data is retained in TUBE_SECTION_PARAMETER where text recovery permits.

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

Thyratron

Other

Filament heating time, typical
10 seconds
Filament heating time, typical........ ... . ..............10 seconds
Tonization time, approx
10 microseconds
Tonization time, approx. . ... ...............................10 microseconds TUBE
Deionization time, approx
1000 microseconds
Deionization time, approx................................1000 microseconds
Ambient temperature limits. . .. ...... ... ... ... oL —20 to
450 degC
Ambient temperature limits. . .. ...... ... ... ... oL —20 to 450 centigrade