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Specialized - Thyratron ·Thyratron

AX260

Very-high-current heavy-duty mercury-vapor thyratron for motor and AC welder control, designed to switch exceptionally large industrial currents.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 5 V / 25 A

Description

Very-high-current heavy-duty mercury-vapor thyratron for motor and AC welder control.

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: 25 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 cathode current: 25 A

Published filament, heating time, tube drop, forward/inverse voltage, current, grid, ionization and deionization 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

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristic

Filament voltage
5 V
ThyratronService
Filament current
25 A
ThyratronService
Filament heating time
600 s
ThyratronService
Tube voltage drop
10 V
ThyratronService
Ionization time
10 us
ThyratronService
Deionization time
1000 us
ThyratronService

Other

Maximum peak forward voltage
1500 V
ThyratronService
Maximum peak inverse voltage
2500 V
ThyratronService
Maximum peak anode current
160 A
ThyratronService
Maximum average anode current
25 A
ThyratronService
Maximum grid voltage
-320 V
ThyratronService

Data set 02

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Other

Heater or filament voltage
5 V
Section1
Heater or filament current
25 A
Section1
Peak forward voltage maximum
1500 V
Thyratron
Peak inverse voltage maximum
2500 V
Thyratron
Peak anode current maximum
160 A
Thyratron
Average anode current maximum
25 A
Thyratron
Maximum grid voltage
-300 V
Thyratron
Recommended temperature range
+35 to +75 °C
Thyratron

Characteristic

Filament heating time
600 s
Thyratron
Tube voltage drop
10 V
Thyratron
Ionization time
10 µs
Thyratron
Deionization time
1000 µs
Thyratron