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Electronic tube type

Power - Triode vacuum tubes

Power - Triode records in Tube Tinker cover 802 tube designations, including 2,091 preserved original datasheets. Compare bases, sockets, heater requirements, construction, exact variations, and directional replacement options.

Search this type in the catalog →
Tube records
802
Original datasheets
2,091
Variation families
23
Tubes with alternatives
50

About Power - Triode tubes

This qualifies if the tube has a max plat dissipation over 10 W and under 100W. Also the tube must NOT qualify for "VerticalSweep".

Electrical range

Nominal heater voltage
1.2–75 V
Nominal heater current
0.06–4,300 A

Common power - triode characteristics

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

Bases

  • UX417
  • 4D9
  • 8BD8
  • 8B5
  • 5S3
  • 7AB3
  • 7B3
  • 12GY2

Sockets

  • UX489
  • IO60
  • B422
  • MEDIUM4BAYONET22
  • B9A12
  • B12C9
  • J49
  • JUMBO4B9

Constructions

  • Triode729
  • Triode-Triode73

Power - Triode tube list

Page 8 of 17

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  • 82402

    Triode

    Eimac 8240/2 family water-cooled low-mu power triode; suffix ratings not independently established.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    7.5 V
    Sections
    1
  • 8242

    Triode

    Water-cooled Eimac medium-mu power triode for amplifier, oscillator, modulator, and RF power service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    7.5 V
    Sections
    1
  • 82422

    Triode

    Eimac 8242/2 family water-cooled medium-mu power triode; suffix ratings not independently established.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    7.5 V
    Sections
    1
  • 8243

    Triode

    Water-cooled Eimac medium-mu power triode for amplifier, oscillator, modulator, and RF power service, with flexible grid and filament leads.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    7.5 V
    Sections
    1
  • 825

    Triode

    Low-mu version of the Taylor 756 power triode for transmitting and RF power service.

    Base
    Not recorded
    Socket
    UX4
    Heater
    7.5 V
    Sections
    1
  • 830

    Triode

    Transmitting power triode for AF/RF power amplification, modulation, and oscillator service, with 60-watt maximum plate dissipation.

    Base
    Not recorded
    Socket
    MEDIUM4BAYONET
    Heater
    10 V
    Sections
    1
  • 830B

    Triode

    Thoriated-tungsten power triode for audio-modulator and RF amplifier or oscillator service, principally as a renewal type. Approximately 75 W plate dissipation and kilovolt-class operation support moderate transmitting and modulation applications.

    Base
    Not recorded
    Socket
    UX4
    Heater
    10 V
    Sections
    1
  • 831

    Triode

    High-power directly heated triode; available source material does not establish a narrower functional application confidently.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    11 V
    Sections
    1
  • 834

    Triode

    Directly heated radiation-cooled power triode for RF oscillator and amplifier service, primarily as a replacement type. Approximately 50 W plate dissipation and kilovolt plate capability provide moderate transmitter output.

    Base
    Not recorded
    Socket
    UX4
    Heater
    7.5 V
    Sections
    1
  • 835

    Triode

    Thoriated-tungsten transmitting triode for AF power/modulator and RF amplifier/oscillator service, with 75-watt maximum plate dissipation.

    Base
    Not recorded
    Socket
    UX4
    Heater
    10 V
    Sections
    1
  • 838

    Triode

    High-mu zero-bias power triode for Class B audio amplification and RF oscillator or power-amplifier service. Its high amplification factor, roughly 100 W plate dissipation, and kilovolt operation provide strong gain in audio and transmitting stages.

    Base
    Not recorded
    Socket
    UX4
    Heater
    10 V
    Sections
    1
  • 841

    Triode

    Thoriated-tungsten transmitting power triode retained primarily for renewal service. High plate resistance, moderate amplification factor, and approximately 15 W plate dissipation represent an early moderate-power transmitting design.

    Base
    Not recorded
    Socket
    UX4
    Heater
    7.5 V
    Sections
    1
  • 841A

    Triode

    Taylor transmitting triode for oscillator, RF power-amplifier, and audio-modulator service. Approximately 50 W plate dissipation and kilovolt-class operation provide moderate transmitter and modulation power.

    Base
    Not recorded
    Socket
    UX4
    Heater
    10 V
    Sections
    1
  • 841SW

    Triode

    Taylor carbon-anode triode designed especially for diathermy equipment and Class C oscillator or RF power-amplifier service. Its specialized medical RF-heating role combines with moderate transmitting power and kilovolt plate operation.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    10 V
    Sections
    1
  • 842

    Triode

    Thoriated-tungsten power triode designed for Class A audio-frequency power amplification and modulator service. Low amplification factor and moderate plate dissipation favor high-current, low-gain audio output operation.

    Base
    Not recorded
    Socket
    UX4
    Heater
    7.5 V
    Sections
    1
  • 843

    Triode

    Heater-cathode power triode designed for RF amplifier and oscillator service. Moderate plate dissipation and several-hundred-volt operation provide useful radio-frequency output from an indirectly heated cathode.

    Base
    Not recorded
    Socket
    UX4
    Heater
    2.5 V
    Sections
    1
  • 8431

    Triode-Triode

    Medium-mu double triode designed for continuous Class-C RF amplifier service around 200 MHz, intended for sustained high-frequency power amplification.

    Base
    Not recorded
    Socket
    B9A
    Heater
    12.6 V
    Sections
    2
  • 845

    Triode

    Classic directly heated low-mu power triode for Class A and Class AB audio power or modulator service. Low plate resistance, roughly 100 W plate dissipation, and kilovolt capability support substantial high-quality audio output.

    Base
    Not recorded
    Socket
    UX4
    Heater
    10 V
    Sections
    1
  • 852

    Triode

    Directly heated transmitting triode for Class C RF power amplification and oscillator service. Rated for 100 W plate dissipation and 3 kV plate voltage, producing approximately 165 W RF output at full ratings to about 30 MHz.

    Base
    Not recorded
    Socket
    MEDIUM4BAYONET
    Heater
    10 V
    Sections
    1
  • 8533

    Triode

    Metal-ceramic planar triode for grid- or plate-pulsed oscillator, amplifier, frequency-multiplier, and switching service to roughly 3 GHz. It combines 8 kV plate capability with pulse cathode current to about 7.5 A.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 8534

    Triode

    Miniature ruggedized ceramic-metal planar triode for continuous-wave and pulsed service to approximately 3 GHz. Its high transconductance and pulse cathode-current capability suit compact high-frequency pulse amplifiers and oscillators.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • 859

    Triode

    Water-cooled high-power triode designed for substantial radio-frequency power service at frequencies extending to approximately 50 MHz.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    22 V
    Sections
    1
  • 860

    Triode

    High-mu transmitting triode designed for radio-frequency power-amplifier and oscillator service in professional transmitting equipment.

    Base
    Not recorded
    Socket
    UX4
    Heater
    10 V
    Sections
    1
  • 861

    Triode

    High-mu transmitting triode designed for radio-frequency power-amplifier and oscillator service in professional transmitting equipment.

    Base
    Not recorded
    Socket
    UX4
    Heater
    11 V
    Sections
    1
  • 862

    Triode

    Three-electrode water-cooled transmitting power triode for RF amplifier, oscillator, and Class B modulator service.

    Base
    Not recorded
    Socket
    UX4
    Heater
    33 V
    Sections
    1
  • 865

    Triode

    High-mu transmitting triode retained primarily for renewal service in older RF power equipment.

    Base
    Not recorded
    Socket
    UX4
    Heater
    7.5 V
    Sections
    1
  • 8796

    Triode

    High-power general-purpose transmitting triode capable of substantial continuous RF output for Class C amplifier and oscillator service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    16.5 V
    Sections
    1
  • 889

    Triode

    Water-cooled high-power triode for RF power amplification, oscillator operation, and Class B modulation in substantial transmitting equipment.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    11 V
    Sections
    1
  • 889A

    Triode

    Water-cooled high-power transmitting triode for broadcasting stations and industrial RF-heating applications, also supporting RF oscillator and amplifier service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    11 V
    Sections
    1
  • 889R

    Triode

    Forced-air-cooled high-power triode for RF power amplification, oscillator operation, and Class B modulation.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    11 V
    Sections
    1
  • 889RA

    Triode

    Forced-air-cooled transmitting triode version of 889A with improved radiator design for high-power RF service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    11 V
    Sections
    1
  • 892

    Triode

    Water-cooled high-power transmitting triode widely used in broadcast transmitters and RF industrial-heating equipment.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    22 V
    Sections
    1
  • 892R

    Triode

    High-power transmitting triode for RF amplification, oscillation, modulation, or related transmitter and industrial service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    22 V
    Sections
    1
  • 893

    Triode

    Water-cooled transmitting triode for RF amplifier, oscillator, and Class-B modulator service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    10 V
    Sections
    1
  • 8938

    Triode

    High-power transmitting triode for RF amplification, oscillation, modulation, or related transmitter and industrial service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    5 V
    Sections
    1
  • 893R

    Triode

    High-power transmitting triode for RF amplification, oscillation, modulation, or related transmitter and industrial service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    10 V
    Sections
    1
  • 895

    Triode

    Water-cooled transmitting triode for Class-B modulation, RF power amplification, and oscillator service with very high plate-dissipation capability.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    20 V
    Sections
    1
  • 895R

    Triode

    High-power transmitting triode for RF amplification, oscillation, modulation, or related transmitter and industrial service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    20 V
    Sections
    1
  • 898A

    Triode

    High-power transmitting triode for RF amplification, oscillation, modulation, or related transmitter and industrial service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    Not recorded
    Sections
    1
  • 899A

    Triode

    High-power transmitting triode for RF amplification, oscillation, modulation, or related transmitter and industrial service.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    15 V
    Sections
    1
  • 8C22

    Triode

    8C22 power - triode electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    4.1 V
    Sections
    1
  • 8C23

    Triode

    8C23 power - triode electronic tube specifications and datasheets.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    4.1 V
    Sections
    1
  • 949A

    Triode

    High-power transmitting triode for RF amplification, oscillation, modulation, or related transmitter and industrial service.

    Base
    Not recorded
    Socket
    JUMBO3
    Heater
    Not recorded
    Sections
    1
  • 949H

    Triode

    High-power transmitting triode for RF amplification, oscillation, modulation, or related transmitter and industrial service.

    Base
    Not recorded
    Socket
    JUMBO3
    Heater
    Not recorded
    Sections
    1
  • 9C24

    Triode

    Water-cooled grounded-grid transmitting triode for Class B and Class C RF service through approximately 220 MHz. Its roughly 5 kW plate-dissipation capability suits substantial VHF communications and industrial transmitters.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • A0897

    Triode

    High-mu planar transmitting triode designed for grounded-grid microwave oscillator and amplifier service. Its low-inductance metal-ceramic construction and very low interelectrode capacitance support operation well into the microwave frequency range.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6.3 V
    Sections
    1
  • A1834

    Triode

    High-mu planar transmitting triode designed for grounded-grid microwave oscillator and amplifier service. Its low-inductance metal-ceramic construction and very low interelectrode capacitance support operation well into the microwave frequency range.

    Base
    Not recorded
    Socket
    IO
    Heater
    6.3 V
    Sections
    2
  • ACM3

    Triode

    Triode for general electronic service. Available source material does not establish a narrower functional application confidently.

    Base
    Not recorded
    Socket
    Not recorded
    Heater
    6 V
    Sections
    1