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XGQ26400

Mercury-vapor tetrode thyratron with negative-control characteristic for motor control and other industrial applications.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 5 V / 10 A

Description

Mercury-vapour tetrode thyratron with negative-control characteristic for motor-control and other industrial applications.

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: 10 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: 2500 V
Rectifier warm-up time: 3000 s

Promoted values are mapped from the supplied datasheet; additional published ratings, characteristics, capacitances and operating points are retained in TUBE_SECTION_PARAMETER.

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 Mullard

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

Peak forward anode voltage maximum
2500 V
Peak inverse anode voltage maximum
2500 V
Peak cathode current maximum
40 A
Frequency>=25Hz
Peak cathode current maximum
12.8 A
Frequency<25Hz
Average cathode current maximum
6.4 A
AveragingTime=15s
Surge cathode current maximum
400 A
FaultDuration<=0.1s
Negative control-grid voltage maximum
1000 V
BeforeConduction
Control-grid current maximum
10 A
DuringConduction
Shield-grid voltage maximum
500 V
BeforeConduction
Condensed mercury temperature minimum
40 degC
Condensed mercury temperature maximum
80 degC

Characteristics

Minimum cathode heating time
50 min
Deionisation time
1000 us
Approximate
Ionisation time
10 us
Approximate
Anode voltage drop
16 V
Conducting

Capacitance

Anode-to-control-grid capacitance
2 pF