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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.

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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

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  • 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