Electronic tube type
Power - Triode vacuum tubes
Power - Triode records in Tube Tinker cover 789 tube designations, including 2,077 preserved original datasheets. Compare bases, sockets, heater requirements, construction, exact variations, and directional replacement options.
- Tube records
- 789
- Original datasheets
- 2,077
- 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
- Triode716
- Triode-Triode73
Power - Triode tube list
Page 4 of 17
4070 Triode-Triode
Integrated pencil-tube oscillator-amplifier assembly for pulsed 1090 MHz transponder service. The amplifier section delivers several hundred watts of peak output while its companion section supplies the associated L-band oscillator function.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 2
4071 Triode-Triode
Dual UHF/L-band pulse triode assembly for paired oscillator and amplifier operation near 1090 MHz. The amplifier section provides several hundred watts of peak output while the companion oscillator operates across the same narrow transponder-frequency range.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 2
4072 Triode
High-power pulsed L-band pencil triode for oscillator service around 1090 MHz. Kilovolt plate pulses and ampere-level peak current produce roughly 500 W useful peak output for specialized transponder-type microwave transmitters.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
4074A Triode-Triode
Dual power triode for both audio and RF applications. Its paired sections support push-pull Class B or paralleled Class A audio operation, while reduced-rating RF service extends into the UHF region near 300 MHz.
- Base
- Not recorded
- Socket
- MEDIUM7
- Heater
- 6.3 V
- Sections
- 2
421A Triode-Triode
Low-mu double power triode with separate cathodes, intended primarily as a series-pass tube in regulated rectifier supplies, providing high-current control capability in voltage-regulator circuits.
- Base
- B8-11
- Socket
- UX4
- Heater
- 6.3 V
- Sections
- 2
4220C Triode
Water-cooled directly heated triode documented by Standard Valves for substantial power service; the available source summary does not specify a narrower application.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 22 V
- Sections
- 1
4304B Triode
Directly heated power triode documented by Standard Valves and Standard Telephone and Cables. The available source record establishes the device and operating data but does not support a sufficiently specific functional application to justify specialized tagging.
- Base
- Not recorded
- Socket
- B4
- Heater
- 7.5 V
- Sections
- 1
4304BB Triode
Directly heated transmitting power triode intended for RF amplifier, oscillator, or modulator service. Manufacturer operating data emphasize radio-frequency power generation, substantial plate loading, and professional transmitter applications.
- Base
- Not recorded
- Socket
- B4
- Heater
- 7.5 V
- Sections
- 1
4316A Triode
Directly heated transmitting power triode intended for RF amplifier, oscillator, or modulator service. Manufacturer operating data emphasize radio-frequency power generation, substantial plate loading, and professional transmitter applications.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 2 V
- Sections
- 1
4356A Triode
Directly heated transmitting power triode intended for RF amplifier, oscillator, or modulator service. Manufacturer operating data emphasize radio-frequency power generation, substantial plate loading, and professional transmitter applications.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 5 V
- Sections
- 1
442A Triode
Directly heated transmitting power triode intended for RF amplifier, oscillator, or modulator service. Manufacturer operating data emphasize radio-frequency power generation, substantial plate loading, and professional transmitter applications.
- Base
- Not recorded
- Socket
- UX4
- Heater
- 4.5 V
- Sections
- 1
45 Triode
Classic directly heated low-mu audio output triode for battery-era and early AC receivers. Manufacturer operating data emphasize Class A power output at modest plate voltage, making it a receiving-set output device rather than a transmitting tube.
- Base
- 4D
- Socket
- UX4
- Heater
- 2.5 V
- Sections
- 1
45B Triode
Power triode documented for amplifier or control service, with manufacturer operating data emphasizing useful power output rather than small-signal voltage amplification. Its available documentation does not justify a narrower specialized functional category.
- Base
- UX4
- Socket
- Not recorded
- Heater
- 2.5 V
- Sections
- 1
45M Triode
Power triode documented for amplifier or control service, with manufacturer operating data emphasizing useful power output rather than small-signal voltage amplification. Its available documentation does not justify a narrower specialized functional category.
- Base
- UX4
- Socket
- Not recorded
- Heater
- 2.5 V
- Sections
- 1
4613 Triode
Power triode documented for amplifier or control service, with manufacturer operating data emphasizing useful power output rather than small-signal voltage amplification. Its available documentation does not justify a narrower specialized functional category.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 1
4624 Triode
Power triode documented for amplifier or control service, with manufacturer operating data emphasizing useful power output rather than small-signal voltage amplification. Its available documentation does not justify a narrower specialized functional category.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
4641 Triode
Power triode documented for amplifier or control service, with manufacturer operating data emphasizing useful power output rather than small-signal voltage amplification. Its available documentation does not justify a narrower specialized functional category.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 1
4683 Triode
Directly heated Philips audio-output triode designed for Class B and AB push-pull service. Published operating conditions provide roughly 15–20 W from a pair, with a 15 W maximum plate-dissipation rating per tube.
- Base
- P35-24
- Socket
- P8A
- Heater
- 4 V
- Sections
- 1
4A6G Triode
Directly heated twin power triode designed for Class-B output service in battery-operated receivers, combining two triode sections in one envelope for economical push-pull audio power amplification.
- Base
- 8L
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 2
4C21 Triode
General-purpose directly heated transmitting triode for Class A, B, and C amplifier, modulator, and oscillator service. Rated around 1.25 kV and 100 W plate dissipation, it supports both RF and audio-frequency power applications.
- Base
- 4AZ
- Socket
- J4
- Heater
- 10 V
- Sections
- 1
4C25 Triode
High-power transmitting triode.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 5 V
- Sections
- 1
4C27 Triode
National Union 4C27 indirectly heated coaxial VHF pulsed power oscillator triode for 200–600 MHz, rated for 50 kW peak RF output and requiring forced-air cooling.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6 V
- Sections
- 1
4C29 Triode
UHF pulse oscillator triode with indirectly heated oxide cathode.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6 V
- Sections
- 1
4C32 Triode
Thoriated-tungsten high-power triode.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 10 V
- Sections
- 1
4C34 Triode
Thoriated-tungsten high-power triode.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 11 V
- Sections
- 1
4C36 Triode
Thoriated-tungsten high-power triode.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 5 V
- Sections
- 1
50 Triode
Classic directly heated low-mu audio power triode for single-ended Class A output stages. With about 15 W plate dissipation and amplification factor near 3.8, published 450 V operation provides approximately 4.6 W output.
- Base
- 4D
- Socket
- UX4
- Heater
- 7.5 V
- Sections
- 1
501R5759 Triode
501R5759 power - triode electronic tube specifications and datasheets.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 7.5 V
- Sections
- 1
50CA10 Triode
Power triode documented for amplifier or control service, with manufacturer operating data emphasizing useful power output rather than small-signal voltage amplification. Its available documentation does not justify a narrower specialized functional category.
- Base
- Not recorded
- Socket
- B12C
- Heater
- 50 V
- Sections
- 1
53 Triode
Directly heated power-output triode intended for audio-frequency amplifier service. Manufacturer operating data emphasize output-stage use rather than RF transmitting duty, placing it functionally with receiving and audio power triodes.
- Base
- 7B
- Socket
- UX6
- Heater
- 2.5 V
- Sections
- 2
5331 Triode
Radiation-cooled transmitting triode for AF/RF power amplification, modulation, and oscillator service, with 65-watt maximum plate dissipation.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 10 V
- Sections
- 1
5332 Triode
Radiation-cooled transmitting triode for AF/RF power amplification, modulation, and oscillator service, with 65-watt maximum plate dissipation.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 10 V
- Sections
- 1
53G Triode
Dual power triode intended for Class-B power-amplifier service, combining two output-triode sections in one envelope for push-pull power amplification.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 2.5 V
- Sections
- 2
5514 Triode
Hytron 5514 directly heated high-mu 65 W transmitting power triode for Class C RF and Class B audio service, with 7.5 V 3 A filament and 1.5 kV plate rating.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 7.5 V
- Sections
- 1
5518 Triode
Forced-air-cooled transmitting triode for grounded-grid Class C RF amplifier service through approximately 110 MHz.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.6 V
- Sections
- 1
5556 Triode
Compact power triode for AF amplification and modulation as well as RF amplifier and oscillator service. Published transmitting-tube data rate it for full operation through about 6 MHz, with reduced ratings extending higher.
- Base
- Not recorded
- Socket
- J4
- Heater
- 4.5 V
- Sections
- 1
5737 Triode
5737 power - triode electronic tube specifications and datasheets.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 25 V
- Sections
- 1
5762A Triode
5762A power - triode electronic tube specifications and datasheets.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
5767 Triode
Planar microwave power triode designed as a continuous-wave oscillator into the gigahertz region. Published operation provides about 20 W at 1 GHz and remains usable to approximately 3.3 GHz.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 6.3 V
- Sections
- 1
5786 Triode
Forced-air-cooled transmitting power triode for audio-frequency power amplification or modulation and radio-frequency power-amplifier service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 11 V
- Sections
- 1
5831 Triode
Water-cooled super-power beam triode with thoriated-tungsten filament for very-high-power radio-frequency and audio-frequency service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6 V
- Sections
- 1
5861 Triode
Disc-seal microwave triode for amplifier and oscillator service. Published operating data show several watts output around 1 GHz and useful operation into the multi-gigahertz region, with approximately 10 W plate dissipation.
- Base
- DISC SEAL
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
5866A Triode
Improved RF power triode for amplifier, modulator, oscillator, heating, and diathermy service, using a thoriated-tungsten filament for substantial transmitting power.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
5917 Triode
5917 power - triode electronic tube specifications and datasheets.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 7.5 V
- Sections
- 1
5923200A3 Triode
5923200A3 power - triode electronic tube specifications and datasheets.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 10 V
- Sections
- 1
5930 Triode
Rugged power-amplifier triode designed for applications involving severe vibration and shock, providing dependable output-stage service under demanding mechanical conditions.
- Base
- 4D
- Socket
- UX4
- Heater
- 2.5 V
- Sections
- 1
5986 Triode
Water-cooled high-power triode designed for radio-frequency power-amplifier and oscillator service in substantial transmitting equipment.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12 V
- Sections
- 1
5998 Triode-Triode
Medium/low-mu twin power triode designed primarily as a series-pass tube in regulated power supplies. Its low plate resistance and high transconductance provide substantial current at comparatively small tube voltage drop.
- Base
- B8-11
- Socket
- IO
- Heater
- 6.3 V
- Sections
- 2
