Alternatives & variations Download PDF datasheet

LG998

Directly heated gas-filled switching tube designed for high-current control service, providing grid-triggered conduction in substantial power circuits.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 3 V / 3.8 A

Description

Directly heated gas-filled switching tube for high-current service.

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: 3 V
Nominal heater current: 3.8 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

Max plate voltage: 1000 V
Max cathode current: 400 mA

Published ratings and characteristics promoted from the approved datasheet.

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

194X Wehrmacht Rohren

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

Peak current
2 A
Published datasheet value
Maximum grid voltage
250 V
Published datasheet value

Characteristic

Burning voltage
25 V
Published datasheet value