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.
- 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 12 of 17
GS30 Triode
Russian UHF oscillator triode for RF generation over approximately 400–1500 MHz.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GS34 Triode
RF power oscillator or amplifier.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
GS341 Triode
RF power oscillator or amplifier.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
GS90B Triode
Russian metal-ceramic microwave triode, alternate designation of GS9B, for high-frequency oscillator service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
GU10B Triode
High-power RF triode for amplifier and oscillator service. Approximately 1 kW plate dissipation and a heavy directly heated cathode emphasize high-current radio-frequency operation in communications and industrial equipment.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 7.15 V
- Sections
- 1
GU21B Triode
Forced-air-cooled Russian high-power RF transmitting triode.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 8.05 V
- Sections
- 1
GU23A Triode
Water-cooled Russian high-power RF transmitting triode.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 11.75 V
- Sections
- 1
GU66A Triode
Russian high-power triode for radio-frequency and transmitting service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 13.5 V
- Sections
- 1
HF100 Triode
Radiation-cooled Amperex transmitting triode for RF amplification and oscillation plus audio-frequency power and modulation service. Rated for approximately 75 W plate dissipation and 1.75 kV plate voltage for versatile medium-power operation.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 10.25 V
- Sections
- 1
HF120 Triode
Radiation-cooled Amperex power triode for RF amplifier, oscillator, audio power-amplifier, and modulator service. Rated for approximately 100 W plate dissipation and 1.25 kV plate voltage, favoring relatively high-current power stages.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 10 V
- Sections
- 1
HF140 Triode
Radiation-cooled Amperex transmitting power triode for RF amplifier, oscillator, audio power-amplifier, and modulator service. Electrically similar to the HF120, with approximately 100 W plate dissipation and low-medium gain.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 10 V
- Sections
- 1
HF60 Triode
Compact radiation-cooled Amperex transmitting triode for RF amplification and oscillation plus audio-frequency power and modulation service. Rated for approximately 75 W plate dissipation and 1.6 kV plate voltage, with amplification factor around 28.
- Base
- Not recorded
- Socket
- UX4
- Heater
- 10 V
- Sections
- 1
HFI487 Triode
Rugged high-power industrial triode for radio-frequency power service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 7.5 V
- Sections
- 1
HFI490 Triode
Industrial high-power triode for radio-frequency and industrial applications.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 7.5 V
- Sections
- 1
HK154 Triode
Gammatron low-mu power triode with tantalum plate and grid for Class C RF and audio power or modulator service. Rated for approximately 50 W plate dissipation and 1.5 kV plate voltage, favoring high-current output stages.
- Base
- Not recorded
- Socket
- GIANT2
- Heater
- 5 V
- Sections
- 1
HK24 Triode
Medium-mu Gammatron transmitting triode with a 25 W radiation-cooled tantalum plate. Designed for high-voltage operation and unusually efficient VHF service, it combines approximately 2 kV plate capability with amplification factor around 25.
- Base
- Not recorded
- Socket
- GIANT3
- Heater
- 6.3 V
- Sections
- 1
HK24G Triode
VHF-specialized derivative of the HK24 Gammatron power triode for continuous high-frequency operation. Retaining approximately 2 kV plate capability and 25 W dissipation, its construction permits useful continuous service through roughly 300 MHz.
- Base
- Not recorded
- Socket
- GIANT3
- Heater
- 6.3 V
- Sections
- 1
HK254 Triode
Medium-mu Gammatron power triode with a 100 W radiation-cooled tantalum plate for high-voltage RF service. Rated for approximately 4 kV plate operation, with long-life construction and unusually efficient VHF performance.
- Base
- Not recorded
- Socket
- GIANT2
- Heater
- 5 V
- Sections
- 1
HK54 Triode
Power transmitting triode intended for RF amplification, oscillation, or related professional service. Manufacturer documentation emphasizes radio-frequency operation, substantial plate loading, and transmitter or industrial applications.
- Base
- Not recorded
- Socket
- GIANT2
- Heater
- 5 V
- Sections
- 1
HT311 Triode
High-frequency triode for RF amplification and related high-frequency electronic service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
HT322 Triode
RFT high-frequency triode intended for amplification, oscillation, measurement, or microwave-frequency electronic service, with published heater and electrical characteristics.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
HT611 Triode
RFT high-frequency triode intended for amplification, oscillation, measurement, or microwave-frequency electronic service, with published heater and electrical characteristics.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6 V
- Sections
- 1
HT711 Triode
High-frequency triode intended for amplification, oscillation, measurement, or microwave-frequency electronic service; available source evidence does not justify a narrower category.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6 V
- Sections
- 1
HV12 Triode
United Electronics high-power triode with graphite anode, designed for substantial RF power-amplifier and oscillator service.
- Base
- Not recorded
- Socket
- JUMBO4B
- Heater
- Not recorded
- Sections
- 1
HV18 Triode
United Electronics power triode designed for substantial RF power-amplifier and oscillator service in transmitting equipment.
- Base
- Not recorded
- Socket
- JUMBO4B
- Heater
- Not recorded
- Sections
- 1
HV27 Triode
United Electronics high-power graphite-anode triode designed for substantial RF power-amplifier and oscillator service.
- Base
- Not recorded
- Socket
- JUMBO4B
- Heater
- Not recorded
- Sections
- 1
HY25 Triode
High-mu transmitting triode for RF amplification, oscillator operation, Class B modulation, and audio-frequency power amplification.
- Base
- Not recorded
- Socket
- UX4
- Heater
- 7.5 V
- Sections
- 1
HY40 Triode
Rugged high-efficiency Hytron power triode designed for substantial transmitting and power-amplifier service.
- Base
- Not recorded
- Socket
- UX4
- Heater
- Not recorded
- Sections
- 1
HY40Z Triode
Hytron high-efficiency power triode from the HY40 family, intended for substantial transmitting and power-amplifier service.
- Base
- Not recorded
- Socket
- UX4
- Heater
- 7.5 V
- Sections
- 1
HY51A Triode
Power transmitting triode intended for RF amplification, oscillation, or related professional service. Manufacturer documentation emphasizes radio-frequency operation, substantial plate loading, and transmitter or industrial applications.
- Base
- Not recorded
- Socket
- UX4
- Heater
- 7.5 V
- Sections
- 1
HY51B Triode
Power transmitting triode intended for RF amplification, oscillation, or related professional service. Manufacturer documentation emphasizes radio-frequency operation, substantial plate loading, and transmitter or industrial applications.
- Base
- Not recorded
- Socket
- UX4
- Heater
- 10 V
- Sections
- 1
KC4 Triode
Directly heated high-vacuum rectifier for extremely high-voltage service, rated around 150 kV peak inverse voltage and intended for specialized HV rectification.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 20 V
- Sections
- 1
KU23 Triode
United Electronics high-power triode with wide electrode spacing and large anode, designed for RF power-amplifier and oscillator service.
- Base
- Not recorded
- Socket
- JUMBO4B
- Heater
- Not recorded
- Sections
- 1
L12 Triode
Midget output triode designed for deaf-aid and headphone amplifiers, providing audio power from low-voltage portable supplies.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
LD15 Triode
UHF transmitting triode for high-frequency RF power service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 14 V
- Sections
- 1
LD2 Triode
UHF transmitting triode for high-frequency RF service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
LD5 Triode
UHF transmitting triode for high-frequency RF service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
LD7 Triode
High-power UHF transmitting triode for radio-frequency service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
LPT45 Triode
Machlett high-power directly heated triode for transmitting and RF power service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6 V
- Sections
- 1
LPT45H Triode
Machlett high-power directly heated triode for transmitting and RF power service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6 V
- Sections
- 1
LPT60 Triode
Machlett high-power directly heated triode for transmitting and RF power service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
LS30 Triode
Transmitting triode for radio-frequency service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
LS300 Triode
High-power directly heated transmitting triode for radio-frequency power service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 3 V
- Sections
- 1
LS5A Triode
Early Marconi directly heated low-mu audio power triode intended to provide loudspeaker output. Rated for about 13.5 W plate dissipation and 400 V, it represents an early high-current receiver output valve.
- Base
- Not recorded
- Socket
- B5
- Heater
- 4.75 V
- Sections
- 1
LS6A Triode
Early Marconi directly heated low-mu audio power triode intended to drive multiple loudspeakers. Rated for about 23 W plate dissipation and 400 V, it provides substantially greater output capability than ordinary receiving triodes.
- Base
- Not recorded
- Socket
- B5
- Heater
- 6 V
- Sections
- 1
LV13 Triode
High-transconductance pulse power triode designed for keyed transmitter and pulse-amplifier service. Published ratings include approximately 9 kW RF pulse output, 2 kV pulse plate voltage, and peak cathode current to 15 A.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
M4205E Triode
Power transmitting triode intended for RF amplification, oscillation, or related professional service. Manufacturer documentation emphasizes radio-frequency operation, substantial plate loading, and transmitter or industrial applications.
- Base
- Not recorded
- Socket
- UX4
- Heater
- 4.5 V
- Sections
- 1
MA1215 Triode
High-power directly heated modulator triode for low-frequency power and modulation service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1