Electronic tube and vacuum tube catalog

Base

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Socket code

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Electrical Summary

Heater	2.5 V / 9 A
Ik max	2.5 A
V Drop	12 V
V Inverse	1,250 V

Sections

1

Directly heated inert-gas thyratron for welding and motor-control service. Controlled gas discharge switches substantial industrial currents.

Base

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Socket code

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Electrical Summary

Heater	5 V / 21 A
Ik max	10 A

Sections

1

Heavy-current thyratron for industrial controlled-power service. Published ratings identify substantial grid-controlled gas-discharge switching capability.

Base

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Socket code

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Electrical Summary

Heater	5 V / 5 A
Ik max	3 A
V Drop	18 V
V Inverse	10,000 V

Sections

1

Mercury-vapor thyratron for power supplies and welding equipment. Grid-controlled mercury discharge provides low-drop switching of substantial industrial current.

Base

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Socket code

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Electrical Summary

Heater	5 V / 5 A
Ik max	3 A

Sections

1

Mercury-vapor thyratron for heavy industrial power control. Grid triggering initiates low-drop gas conduction for substantial current switching.

Base

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Socket code

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Electrical Summary

Heater	5 V / 5 A
Ik max	3 A

Sections

1

Mercury-vapor thyratron for heavy industrial controlled-power service. Its grid initiates low-drop gas conduction for substantial current switching.

Base

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Socket code

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Electrical Summary

Heater	3 V / 5 A
Ik max	3 A
V Inverse	1,250 V

Sections

1

Mercury-vapor thyratron for industrial welding and motor-control switching, using grid control of a high-current gas discharge.

Base

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Socket code

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Electrical Summary

Heater	6.3 V / 10.6 A
Rectifier	250 mA
V Inverse	16,000 V

Sections

1

Rugged hydrogen-filled positive-grid triode thyratron for airborne pulse operation. Its design improves high-power pulse switching over the 5C22.

Base

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Socket code

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Electrical Summary

Ik max	3 A
V Inverse	15,000 V

Sections

1

Mercury-vapor thyratron for industrial switching and control. Grid triggering initiates low-drop mercury-discharge conduction.

Base

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Socket code

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Electrical Summary

Heater	2.5 V
V Inverse	5,000 V

Sections

1

Mercury-vapor thyratron for industrial switching and control. Controlled gas discharge provides reliable power switching.

Base

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Socket code

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Electrical Summary

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Sections

1

Inert-gas and mercury-vapor thyratron for industrial switching and control. Grid triggering provides controlled high-current discharge.

Base

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Socket code

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Electrical Summary

Heater	12 A
Ik max	3.2 A
V Inverse	1,400 V

Sections

1

Inert-gas and mercury-vapor thyratron for industrial switching and control. Its heavy heater supports substantial controlled current.

Base

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Socket code

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Electrical Summary

Heater	12 A
Ik max	3.2 A
V Inverse	1,400 V

Sections

1

Inert-gas and mercury-vapor thyratron for industrial switching and control. Its heavy heater supports substantial controlled discharge.

Base

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Socket code

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Electrical Summary

Ik max	12.5 A
V Inverse	1,400 V

Sections

1

Inert-gas and mercury-vapor thyratron for industrial switching and control. Controlled discharge provides low-drop power switching.

Base

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Socket code

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Electrical Summary

Heater	2.5 V / 12 A
Ik max	3.2 A
V Inverse	1,500 V

Sections

1

Inert-gas thyratron for industrial switching and control. Its heavy heater supports substantial grid-triggered discharge current.

Base

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Socket code

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Electrical Summary

Ik max	6.4 A
V Inverse	1,500 V

Sections

1

Inert-gas thyratron designed for industrial switching and control, using grid-triggered gas conduction for power-control applications.

Base

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Socket code

MEDIUM4BAYONET

Electrical Summary

Ik max	2.5 A
V Inverse	1,000 V

Sections

1

MEDIUM4BAYONET - Medium 4-contact bayonet base

Inert-gas thyratron designed for industrial switching and control, using grid-triggered gas conduction for power-control applications.

Base

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Socket code

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Electrical Summary

Heater	4 V / 15 A

Sections

1

Grid-controlled mercury-vapor half-wave rectifier providing triggered conduction for controlled power conversion and switching applications.

Base

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Socket code

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Electrical Summary

Heater	4 V / 12.5 A
V Inverse	16,000 V

Sections

1

Grid-controlled mercury-vapor half-wave rectifier providing triggered conduction for controlled power conversion and switching applications.

Base

DOWN

Socket code

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Electrical Summary

Heater	5 V / 4.5 A
Plate	1,000 V
Ik max	2.5 A
Rectifier	2.5 A
V Inverse	1,000 V

Sections

1

Indirectly heated mercury-filled thyratron designed for applications where little grid power is available, providing dependable high-current industrial switching and controlled conduction.

Base

DOWN

Socket code

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Electrical Summary

Heater	5 V / 4.5 A
Plate	1,000 V
Ik max	2.5 A
Rectifier	2.5 A
V Inverse	1,000 V

Sections

1

4 pins

Indirectly heated mercury-vapor thyratron designed for control, timing, and ignitor-firing applications, with shield-grid construction supporting stable operation from high-impedance grid supplies.

Base

BABE

Socket code

UX4

Electrical Summary

Heater	2.5 V / 9 A
Plate	900 V
Ik max	2.5 A
Rectifier	2.5 A
V Inverse	1,250 V

Sections

1

4 pins - UX4 - Medium-shell UX 4-contact

Quick-heating rugged xenon thyratron designed for timing and control applications, with wide ambient-temperature operation for industrial equipment.

Base

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Socket code

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Electrical Summary

Heater	2.5 V / 31 A
Plate	1,000 V
Ik max	18 A
Rectifier	18 A
V Inverse	1,250 V

Sections

1

Compact quick-heating xenon thyratron designed for motor-speed and welding-control applications, combining high-current capability with wide-temperature industrial operation.

Base

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Socket code

UX4

Electrical Summary

Heater	2.5 V / 9 A
Plate	1,000 V
Ik max	2.5 A
Rectifier	2.5 A
V Inverse	1,250 V

Sections

1

UX4 - Medium-shell UX 4-contact

Quick-heating rugged xenon thyratron designed for timing, control, and other industrial applications, with wide-temperature operating capability.

Base

A4-10

Socket code

UX4

Electrical Summary

Heater	6.3 V / 800 mA
Plate	1,000 V
Ik max	1 A
Rectifier	1 A
V Inverse	1,250 V

Sections

1

4 pins - UX4 - Medium-shell UX 4-contact

Compact quick-heating xenon thyratron designed for timing and control applications, providing rapid starting and stable operation across a wide temperature range.

Base

DOWN

Socket code

UX4

Electrical Summary

Heater	2.5 V / 9 A
Plate	1,500 V
Ik max	2.5 A
Rectifier	2.5 A
V Inverse	1,500 V

Sections

1

UX4 - Medium-shell UX 4-contact

Quick-heating gas-and-mercury thyratron designed especially for ignitor firing and regulated-rectifier applications, with stable characteristics across wide temperature limits.

Base

A4-10

Socket code

UX4

Electrical Summary

Heater	2.5 V / 6.3 A
Plate	1,250 V
Ik max	1 A
Rectifier	1 A
V Inverse	1,250 V

Sections

1

4 pins - UX4 - Medium-shell UX 4-contact

Compact quick-heating gas-and-mercury thyratron for timing and control applications, designed for wide-temperature operation and long service life without circuit cushioning.

Base

DOWN

Socket code

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Electrical Summary

Heater	2.5 V / 12 A
Plate	1,500 V
Ik max	3.2 A
Rectifier	3.2 A

Sections

1

Quick-heating gas-and-mercury thyratron for motor-speed control and regulated rectifiers. Its heavy cathode supports substantial industrial controlled current.

Base

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Socket code

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Electrical Summary

Heater	2.5 V / 55 A
Plate	1,500 V
Ik max	30 A
Rectifier	30 A
V Inverse	1,500 V

Sections

1

Metal-envelope gas-and-mercury thyratron for resistance welding and AC control. Its massive filament supports very heavy industrial switching.

Base

DOWN

Socket code

SJ4

Electrical Summary

Heater	2.5 V / 16 A
Plate	1,500 V
Ik max	4 A
Rectifier	4 A
V Inverse	1,500 V

Sections

1

SJ4 - Super-jumbo 4-contact bayonet

Quick-heating industrial gas-and-mercury thyratron for heavy ignitor firing, motor-speed control, and regulated rectifier equipment.

Base

DOWN

Socket code

SJ4

Electrical Summary

Heater	2.5 V / 21 A
Plate	1,500 V
Ik max	6.4 A
Rectifier	6.4 A
V Inverse	1,500 V

Sections

1

SJ4 - Super-jumbo 4-contact bayonet

Quick-heating industrial gas-and-mercury thyratron for welding control, motor-speed control, and regulated rectifiers. Its massive cathode supports heavy switching.

Base

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Socket code

SJ4

Electrical Summary

Heater	2.5 V / 21 A
Ik max	6.4 A
Rectifier	6.4 A
V Inverse	1,500 V

Sections

1

SJ4 - Super-jumbo 4-contact bayonet

Industrial thyratron for timing, control, welding, and regulated-rectifier service. Its heavy cathode supports substantial controlled power.

Base

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Socket code

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Electrical Summary

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Sections

1

Noble-gas triode thyratron for relay and control applications. Grid triggering initiates controlled gas-discharge switching.

Base

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Socket code

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Electrical Summary

Heater	5 V / 4.5 A

Sections

1

Mercury-vapor triode thyratron for relay and control applications. Grid-controlled discharge provides reliable power switching.

Base

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Socket code

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Electrical Summary

Heater	5 V / 20 A

Sections

1

High-voltage mercury-vapor triode thyratron for substantial controlled-power service. Its heavy heater supports high-current discharge.

Base

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Socket code

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Electrical Summary

Heater	2.5 V / 22 A

Sections

1

Gas- and mercury-vapor-filled triode thyratron for industrial control. Its massive directly heated cathode supports heavy controlled current.

Base

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Socket code

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Electrical Summary

Heater	4 V / 1.5 A
Plate	400 V
Ik max	500 mA

Sections

1

Thyratron scanning generator for television line and frame time bases. Controlled gas discharge produces relaxation sweep waveforms.