Specialized tube type
Specialized - Ignitron vacuum tubes
Specialized - Ignitron records in Tube Tinker cover 115 tube designations, including 231 preserved original datasheets. Compare bases, sockets, heater requirements, construction, exact variations, and directional replacement options.
- Tube records
- 115
- Original datasheets
- 231
- Variation families
- 3
- Tubes with alternatives
- 1
About Specialized - Ignitron tubes
Ignitron switching tube, mercury filled, for welding, etc.
Electrical range
- Nominal heater voltage
- 0–16 V
- Nominal heater current
- 0–21 A
Common specialized - ignitron characteristics
These are the most frequently recorded attributes among tubes in this category.
Bases
- Unpackaged coaxial magnetron2
- 9QA1
- SUPER JUMBO1
Sockets
- B9A7
- IO3
- B4B1
Constructions
- IgnitronPowerSwitch104
- Triode6
- Magnetron2
- Thyratron2
- Pentode-Triode1
Specialized - Ignitron tube list
Page 1 of 3
1R21 IgnitronPowerSwitch
Ignitron-type gas switching tube for radar pulsing service. Its controlled discharge handles high-voltage pulse switching in radar modulator and related circuits.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
5550 IgnitronPowerSwitch
Sealed clamp-cooled mercury-pool ignitron designed primarily for resistance-welding control, providing extremely high-current controlled conduction for industrial welding power systems.
- Base
- Not recorded
- Socket
- IO
- Heater
- Not recorded
- Sections
- 1
5551 IgnitronPowerSwitch
Water-cooled mercury-pool ignitron power switch for industrial welding and rectification.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
5551A IgnitronPowerSwitch
Water-cooled steel-jacketed mercury-pool ignitron for resistance-welding control, designed to switch very high currents reliably in heavy industrial welding equipment.
- Base
- Not recorded
- Socket
- IO
- Heater
- Not recorded
- Sections
- 1
5552 IgnitronPowerSwitch
Water-cooled mercury-pool ignitron power switch for industrial welding and rectification.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
5552A IgnitronPowerSwitch
High-current water-cooled mercury-pool ignitron designed for resistance-welding control, providing controlled conduction of very large industrial welding currents.
- Base
- Not recorded
- Socket
- IO
- Heater
- Not recorded
- Sections
- 1
5553 IgnitronPowerSwitch
Water-cooled mercury-pool ignitron power switch for industrial welding and rectification.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
5553A IgnitronPowerSwitch
Sealed stainless-steel-jacketed water-cooled mercury-pool ignitron designed primarily for resistance-welding control and exceptionally high peak-current industrial service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
5553B IgnitronPowerSwitch
Thermostatically controlled ignitron for heavy industrial power switching. Its mercury-pool discharge path handles very high current while thermal control maintains suitable operating conditions.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
5554 IgnitronPowerSwitch
Water-cooled Amperex ignitron designed for welding-control and continuous rectifier service, providing high-current controlled mercury-pool conduction for industrial power equipment.
- Base
- Not recorded
- Socket
- B9A
- Heater
- Not recorded
- Sections
- 1
5555 IgnitronPowerSwitch
Water-cooled very-high-current ignitron of the 5555/653B welder-control family. Controlled mercury discharge switches enormous industrial welding currents.
- Base
- Not recorded
- Socket
- B9A
- Heater
- Not recorded
- Sections
- 1
5555A IgnitronPowerSwitch
Water-cooled mercury-pool ignitron designed for high-power rectification and AC control, providing controlled conduction of very large currents in industrial power systems.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 0 V
- Sections
- 1
5586 Magnetron
Mechanically tunable high-power pulsed magnetron designed for radar and related short-pulse microwave service over its specified tuning range.
- Base
- Unpackaged coaxial magnetron
- Socket
- Not recorded
- Heater
- 16 V
- Sections
- 1
5657 Magnetron
Mechanically tunable high-power pulsed magnetron designed for radar and related short-pulse microwave service over its specified tuning range.
- Base
- Unpackaged coaxial magnetron
- Socket
- Not recorded
- Heater
- 16 V
- Sections
- 1
5788 IgnitronPowerSwitch
Permanently sealed water-cooled ignitron for heavy industrial rectifier and AC-control service. Its mercury-discharge switching action handles hundreds of amperes continuously and enormous short-duration currents.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
5821 IgnitronPowerSwitch
Water-cooled mercury-pool ignitron designed for frequency-changer resistance-welding control, providing high-current controlled conduction in specialized industrial welding power systems.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 0 V
- Sections
- 1
5822 IgnitronPowerSwitch
Water-cooled ignitron for industrial resistance-welder control. This heavy-current mercury-discharge device combines rectification with controlled switching for demanding welding power systems.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
5822A IgnitronPowerSwitch
Water-cooled ignitron for welder-control service. Its controlled mercury-pool discharge switches extremely high industrial currents in resistance-welding equipment.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
5822P IgnitronPowerSwitch
Insulated coated version of the water-cooled 5822 ignitron for industrial welder control. Its mercury-discharge construction provides heavy-current controlled rectification and switching.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
5866 Triode
Radiation- or forced-air-cooled high-frequency transmitting triode for VHF RF power amplification. Rated for 135 W plate dissipation, with published operation producing about 390 W output at frequencies to approximately 150 MHz.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
5867 Triode
High-frequency transmitting triode for medium-power RF service. Rated for 250 W plate dissipation and 3 kV plate voltage, with published operating conditions producing approximately 840–950 W RF output to about 100 MHz.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 5 V
- Sections
- 1
5868 Triode
High-frequency transmitting triode for substantial RF power amplification. Rated for 450 W plate dissipation, with published operation producing approximately 1.67 kW output from a 4 kV plate supply at frequencies to about 100 MHz.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 10 V
- Sections
- 1
6228 IgnitronPowerSwitch
Water-cooled mercury-pool ignitron for high-power electronic frequency changers, intermittent rectifiers, capacitor-discharge circuits, and DC short-circuit switching.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
6347 IgnitronPowerSwitch
Water-cooled mercury-pool ignitron for resistance-welding control and intermittent high-current rectifier service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
6348 IgnitronPowerSwitch
Water-cooled mercury-pool ignitron for resistance-welding control and rectifier service. Its controlled discharge handles extremely high peak currents in industrial equipment.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
6504 IgnitronPowerSwitch
Double-grid water-cooled mercury-pool ignitron designed for railroad-locomotive rectifier service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
6509 IgnitronPowerSwitch
Water-cooled mercury-pool ignitron for railroad-locomotive rectifier and auxiliary-power service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
6511 IgnitronPowerSwitch
Water-cooled mercury-pool ignitron for frequency-changer resistance-welding control and industrial power-rectifier service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
6512 IgnitronPowerSwitch
Temperature-controlled water-cooled mercury-pool ignitron for high-power industrial rectifier and AC-control service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
6513 IgnitronPowerSwitch
Temperature-controlled water-cooled mercury-pool ignitron for high-power DC rectifier and 2400 V AC-control service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
6514 IgnitronPowerSwitch
Permanently sealed water-cooled mercury-pool ignitron for industrial 300–900 V DC rectifier circuits.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
6515 IgnitronPowerSwitch
Water-cooled mercury-pool ignitron for industrial rectifier and AC-control service with integral temperature protection.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
6538B IgnitronPowerSwitch
Industrial mercury-pool ignitron power switch for controlled high-current rectifier, inverter, or resistance-welding service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
653B IgnitronPowerSwitch
Water-cooled very-high-current mercury-pool ignitron of the 5555/653B welder-control family.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
679 IgnitronPowerSwitch
Industrial mercury-pool ignitron power switch for controlled high-current rectifier, inverter, or resistance-welding service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
6878 IgnitronPowerSwitch
Water-cooled double-grid mercury-pool ignitron designed for railroad-locomotive rectifier service, using multiple ignitors and coaxial cathode-current return for high-current traction power conversion.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
6958 IgnitronPowerSwitch
Water-cooled double-grid ignitron for industrial rectifier and inverter service, providing controlled high-current mercury-pool switching.
- Base
- Not recorded
- Socket
- B9A
- Heater
- Not recorded
- Sections
- 1
7151 IgnitronPowerSwitch
Water-cooled ignitron for high-power AC control service. Its controlled mercury-discharge conduction switches extremely large industrial currents.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
7171 IgnitronPowerSwitch
Pulse ignitron switch for high-voltage capacitor-discharge service. Controlled mercury-discharge conduction handles large short-duration currents in pulse-power systems.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
7179 IgnitronPowerSwitch
Water-cooled industrial ignitron for high-current rectifier and control service. Its controlled mercury-discharge path handles extremely large power-system currents.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
7180 IgnitronPowerSwitch
Ignitron variant electrically equivalent to 7179 with thermostatic cooling-water control. It provides heavy-current controlled rectification and industrial switching.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
7669 IgnitronPowerSwitch
Water-cooled ignitron electrically equivalent to type 5551A. Its controlled mercury-discharge conduction handles extremely high industrial switching currents.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
7670 IgnitronPowerSwitch
Sealed stainless-steel ignitron for high-current short-duration pulse-welder service. Controlled mercury-discharge conduction switches enormous welding currents.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
7671 IgnitronPowerSwitch
Water-cooled ignitron electrically equivalent to type 5552A. Its controlled mercury-discharge path handles very high industrial switching currents.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
7672 IgnitronPowerSwitch
Water-cooled coaxial ignitron for frequency-changer welding service. Its controlled mercury-discharge construction handles very high peak currents.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
7673 IgnitronPowerSwitch
Water-cooled coaxial ignitron for intermittent rectifier and AC-control service. Its controlled mercury-discharge path handles heavy industrial currents.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
7681 IgnitronPowerSwitch
Sealed ignitron for electronic-contactor and resistance-welding control service. Controlled mercury-discharge conduction switches heavy industrial loads.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
7703 IgnitronPowerSwitch
Sealed stainless-steel-jacketed ignitron intended for heavy switching service. Its controlled mercury-discharge path handles substantial industrial currents.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
