Skip to main content

Specialized tube type

Specialized - Thyratron vacuum tubes

Specialized - Thyratron records in Tube Tinker cover 571 tube designations, including 1,229 preserved original datasheets. Compare bases, sockets, heater requirements, construction, exact variations, and directional replacement options.

Search this type in the catalog →
Tube records
571
Original datasheets
1,229
Variation families
42
Tubes with alternatives
23

About Specialized - Thyratron tubes

If the tube is described as a thyratron then apply this type.

Electrical range

Nominal heater voltage
1.25–220 V
Nominal heater current
0.05–190 A

Common specialized - thyratron characteristics

These are the most frequently recorded attributes among tubes in this category.

Bases

  • DOWN13
  • 4BZ7
  • A4-107
  • 4CF4
  • 4D4
  • B7G4
  • B7D3
  • 3G2

Sockets

  • UX435
  • IO27
  • B9A23
  • B7G19
  • A10
  • SPECIAL38
  • B4B7
  • SJ45

Constructions

  • Thyratron519
  • Triode36
  • Rectifier9
  • Tetrode7

Specialized - Thyratron tube list

Page 2 of 12

Open advanced catalog filters →
  • 3C45W

    Thyratron

    Ruggedized hydrogen thyratron for high-power network-discharge pulse switching, with reservoir control for stable long-life operation.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 3D22

    Thyratron

    Gas-filled grid-controlled thyratron for switching, controlled-rectifier, relay, motor-control, oscillator, or pulse service as documented by the manufacturer.

    Base
    B7D
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 3D22A

    Thyratron

    Gas-filled grid-controlled thyratron for switching, controlled-rectifier, relay, motor-control, oscillator, or pulse service as documented by the manufacturer.

    Base
    Not recorded
    Socket
    IO
    Heater
    6.3 V
    Sections
    1
  • 3G25

    Thyratron

    Gas-filled grid-controlled thyratron for switching, controlled-rectifier, relay, motor-control, oscillator, or pulse service as documented by the manufacturer.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 3G49P

    Thyratron

    Hydrogen thyratron with adjustable hydrogen reservoir for high-speed pulse-switching and pulse-modulator service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 3G501A

    Thyratron

    Gas-filled grid-controlled thyratron for switching, controlled-rectifier, relay, motor-control, oscillator, or pulse service as documented by the manufacturer.

    Base
    Not recorded
    Socket
    B4D
    Heater
    2.5 V
    Sections
    1
  • 3V340B

    Thyratron

    Gas-filled grid-controlled thyratron for switching, controlled-rectifier, relay, motor-control, oscillator, or pulse service as documented by the manufacturer.

    Base
    Not recorded
    Socket
    B4
    Heater
    2.5 V
    Sections
    1
  • 3V390A

    Thyratron

    Gas-filled grid-controlled thyratron for switching, controlled-rectifier, relay, motor-control, oscillator, or pulse service as documented by the manufacturer.

    Base
    Not recorded
    Socket
    UX4
    Heater
    5 V
    Sections
    1
  • 3V390B

    Thyratron

    Hot-cathode mercury-vapor thyratron developed mainly for industrial control applications, using grid triggering to initiate high-current gas conduction in controlled power and switching circuits.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 3V420B

    Thyratron

    Indirectly heated mercury-vapor thyratron for controlled switching and rectifier service, using grid triggering to initiate the conductive gas-discharge state.

    Base
    Not recorded
    Socket
    B5
    Heater
    5 V
    Sections
    1
  • 3V490A

    Thyratron

    Mercury-vapor thyratron designed for industrial-control switching, using grid control to trigger high-current conduction in power-control and controlled-rectifier circuits.

    Base
    Not recorded
    Socket
    B4D
    Heater
    5 V
    Sections
    1
  • 3V500A

    Thyratron

    High-voltage mercury-vapor thyratron for controlled power switching and rectification, using grid triggering to initiate conduction in demanding high-voltage circuits.

    Base
    Not recorded
    Socket
    LARGE4BAYONET
    Heater
    4 V
    Sections
    1
  • 3V530E

    Thyratron

    Directly heated hot-cathode mercury-vapor thyratron for controlled high-voltage rectifier and switching circuits, corresponding to the 4078GA family.

    Base
    Not recorded
    Socket
    SPECIAL3
    Heater
    5 V
    Sections
    1
  • 3V531E

    Thyratron

    Directly heated hot-cathode mercury-vapor thyratron documented as an electrical replacement for obsolete 4078GA, intended for controlled high-voltage switching and rectifier service.

    Base
    Not recorded
    Socket
    SPECIAL3
    Heater
    5 V
    Sections
    1
  • 3V560E

    Thyratron

    Directly heated hot-cathode mercury-vapor thyratron for controlled high-voltage rectifier and switching circuits, corresponding to the 4079GA family.

    Base
    Not recorded
    Socket
    SPECIAL3
    Heater
    5 V
    Sections
    1
  • 3V561E

    Thyratron

    Directly heated hot-cathode mercury-vapor thyratron documented as an electrical replacement for obsolete 4079GA, intended for controlled high-voltage switching and rectifier service.

    Base
    Not recorded
    Socket
    SPECIAL3
    Heater
    5 V
    Sections
    1
  • 3V590E

    Thyratron

    Directly heated hot-cathode mercury-vapor thyratron for controlled high-voltage rectifier and switching circuits, corresponding to the 4080GA family.

    Base
    Not recorded
    Socket
    SPECIAL3
    Heater
    5 V
    Sections
    1
  • 4039A

    Thyratron

    Mercury-vapor relay/control tube in which the grid triggers anode conduction; grid control returns only after the anode current is interrupted.

    Base
    Not recorded
    Socket
    B5
    Heater
    4 V
    Sections
    1
  • 4049GD

    Thyratron

    Hot-cathode mercury-vapor thyratron, coded 4049GD and associated with type 3V/500A, designed for controlled high-voltage switching and rectifier applications.

    Base
    Not recorded
    Socket
    LARGE4
    Heater
    4 V
    Sections
    1
  • 4078GA

    Thyratron

    Directly heated hot-cathode mercury-vapor thyratron for controlled high-voltage rectifier and switching circuits, using grid triggering to initiate heavy gas-discharge conduction.

    Base
    Not recorded
    Socket
    SPECIAL3
    Heater
    5 V
    Sections
    1
  • 4079GA

    Thyratron

    Directly heated hot-cathode mercury-vapor thyratron for controlled high-voltage rectifier and switching circuits, using grid triggering to initiate heavy gas-discharge conduction.

    Base
    Not recorded
    Socket
    SPECIAL3
    Heater
    5 V
    Sections
    1
  • 4080GA

    Thyratron

    Directly heated hot-cathode mercury-vapor thyratron for controlled high-voltage rectifier and switching circuits, using grid triggering to initiate heavy gas-discharge conduction.

    Base
    Not recorded
    Socket
    SPECIAL3
    Heater
    5 V
    Sections
    1
  • 410A

    Thyratron

    Mercury-vapor thyratron with negative control grid for controlled-rectifier and inverter service, providing grid-triggered power conduction in conversion and switching equipment.

    Base
    Not recorded
    Socket
    UX4
    Heater
    2.5 V
    Sections
    1
  • 430A

    Thyratron

    Three-electrode inert-gas-filled cold-cathode tube for fast-switching relay, regulator, rectifier, triggering, and control circuits, requiring no heated cathode.

    Base
    Not recorded
    Socket
    UX4
    Heater
    Not recorded
    Sections
    1
  • 430B

    Thyratron

    Three-electrode inert-gas-filled cold-cathode tube for fast-switching relay, regulator, rectifier, triggering, and control service, using heaterless gas-discharge operation.

    Base
    Not recorded
    Socket
    UX4
    Heater
    Not recorded
    Sections
    1
  • 443A

    Thyratron

    Western Electric/RMA cold-cathode trigger and control tube designed for rapid gas-discharge switching in pulse and control circuitry.

    Base
    Not recorded
    Socket
    UX4
    Heater
    Not recorded
    Sections
    1
  • 4686

    Thyratron

    Argon-filled heated gas triode designed for time-base oscillator service, generating repetitive timing or sweep waveforms through controlled gas-discharge operation.

    Base
    P30-IX
    Socket
    Not recorded
    Heater
    4 V
    Sections
    1
  • 4C35

    Thyratron

    Hot-cathode grid-controlled hydrogen thyratron for high-voltage, high-current pulse service, providing rapid switching of substantial stored energy in pulsed-power circuits.

    Base
    7
    Socket
    JUMBO4B
    Heater
    6.3 V
    Sections
    1
  • 4C35A

    Thyratron

    Hot-cathode grid-controlled hydrogen thyratron for high-voltage, high-current pulse service, providing rapid switching of substantial stored energy in pulsed-power circuits.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 4C45

    Thyratron

    Hydrogen-filled thyratron for network-discharge pulse service, combining high peak voltage and current capability with a reservoir system supporting stable operating life.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 4G280K

    Thyratron

    Miniature grid-controlled thyratron for compact switching and control circuits, with operating characteristics and ratings defined in Standard Valves documentation.

    Base
    B7G
    Socket
    B7G
    Heater
    6.3 V
    Sections
    1
  • 4G401A

    Thyratron

    Grid-controlled thyratron for switching and controlled-conduction service, with electrical characteristics and operating ratings documented by Standard Valves.

    Base
    B7D
    Socket
    B7D
    Heater
    6.3 V
    Sections
    1
  • 4G48P

    Thyratron

    High-power hydrogen thyratron with adjustable hydrogen reservoir, designed for high-speed pulse switching where large peak currents and repeatable triggering are required.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 502A

    Thyratron

    Gas-filled negative-control triode thyratron designed for high-sensitivity relay-control service, providing grid-triggered switching from comparatively small control signals.

    Base
    6BS
    Socket
    B7G
    Heater
    6.3 V
    Sections
    1
  • 53TR40

    Thyratron

    Hydrogen-filled pulse thyratron designed to control pulse powers up to approximately 5 MW, providing rapid high-current switching for demanding pulsed-power equipment.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 5528

    Thyratron

    Xenon-filled grid-controlled thyratron for controlled-rectifier service, combining high peak and average anode-current capability with grid-triggered gas conduction.

    Base
    Not recorded
    Socket
    B12A
    Heater
    2 V
    Sections
    1
  • 5544

    Thyratron

    Grid-controlled gas thyratron documented by Amperex for controlled switching and power-conduction service, with published ratings and operating characteristics for industrial circuitry.

    Base
    Not recorded
    Socket
    B9A
    Heater
    2.5 V
    Sections
    1
  • 5545

    Thyratron

    Grid-controlled gas thyratron documented by Amperex for controlled switching and power-conduction service, with published ratings and operating characteristics for industrial circuitry.

    Base
    Not recorded
    Socket
    B9A
    Heater
    2.5 V
    Sections
    1
  • 5557

    Thyratron

    Grid-controlled gas thyratron for industrial power control. Its trigger grid initiates gas-discharge conduction for controlled rectification and switching.

    Base
    Not recorded
    Socket
    B4
    Heater
    2.5 V
    Sections
    1
  • 5559

    Thyratron

    Grid-controlled gas thyratron for industrial power switching and controlled rectification. Published ratings support substantial controlled-current service.

    Base
    Not recorded
    Socket
    B4
    Heater
    5 V
    Sections
    1
  • 5560

    Thyratron

    Four-electrode mercury-vapor thyratron with negative-control characteristics for high-impedance, low-grid-power control sources and substantial industrial switching.

    Base
    Not recorded
    Socket
    IO
    Heater
    5 V
    Sections
    1
  • 5563

    Thyratron

    Mercury-vapor grid-controlled thyratron triode.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • 5563A

    Thyratron

    Mercury-vapor negative-control triode thyratron for very-high-current switching. Its heavy filament and low-drop discharge suit demanding industrial power control.

    Base
    Not recorded
    Socket
    IO
    Heater
    5 V
    Sections
    1
  • 5594

    Thyratron

    Inert-gas grid-controlled thyratron.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • 5632

    Thyratron

    Xenon-filled three-electrode thyratron for relay, motor-control, and ignitor-firing service. Grid triggering controls substantial gas-discharge current.

    Base
    4CF
    Socket
    B7G
    Heater
    2.5 V
    Sections
    1
  • 5643

    Thyratron

    Subminiature xenon-filled shield-grid thyratron for switching, counter, and grid-controlled rectifier service in compact electronic equipment.

    Base
    Not recorded
    Socket
    B8D
    Heater
    6.3 V
    Sections
    1
  • 5664

    Thyratron

    Grid-controlled gas rectifier and thyratron for controlled power conversion. Trigger-grid action initiates gas-discharge conduction on command.

    Base
    Not recorded
    Socket
    UX4
    Heater
    Not recorded
    Sections
    1
  • 5665

    Thyratron

    Very-high-current xenon thyratron for grid-controlled rectifier and pulse service. Its massive filament supports heavy industrial controlled-discharge operation.

    Base
    Not recorded
    Socket
    B7G
    Heater
    2.5 V
    Sections
    1