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 11 of 17
GI23 Triode
Pulse triode; 300 W / 40 kW pulse output; pulse anode maximum 14000 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
GI24A Triode
Direct-heated pulse triode; 25 kW / 1000 kW pulse output.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GI27A Triode
Direct-heated pulse triode; 25 kW / 4 MW pulse output; gm 0.070–0.100 A/V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 14 V
- Sections
- 1
GI27A1 Triode
Direct-heated pulse triode; 25 kW / 5 MW pulse output; gm 0.075–0.105 A/V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 13 V
- Sections
- 1
GI3 Triode
Pulse triode; 10 W output; normal anode 400 V; grid -15 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GI31R Triode
Pulse triode; 12 W / 1.2 kW pulse output.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GI35B Triode
Russian RF/pulse power triode; maximum anode voltage 14000 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 7.4 V
- Sections
- 1
GI38B Triode
Russian RF/pulse power triode; maximum anode voltage 10000 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GI39 Triode
Russian RF/pulse power triode; maximum anode voltage 20000 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
GI40A Triode
Russian RF/pulse power triode; maximum anode voltage 30000 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 28 V
- Sections
- 1
GI45 Triode
Russian RF/pulse power triode; maximum anode voltage 300 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GI46 Triode
Russian RF/pulse power triode; maximum anode voltage 1900 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
GI48 Triode
Russian RF/pulse power triode; maximum anode voltage 2000 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GI49B Triode
Russian RF/pulse power triode; maximum anode voltage 2400 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
GI52A Triode
Russian RF/pulse power triode; maximum anode voltage 41000 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 5 V
- Sections
- 1
GI56A Triode
Russian RF/pulse power triode; maximum anode voltage 40000 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 34 V
- Sections
- 1
GI57A Triode
Russian RF/pulse power triode; maximum anode voltage 28000 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 1.8 V
- Sections
- 1
GI63B Triode
Russian RF/pulse power triode; maximum anode voltage 3000 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
GI70B Triode
Russian RF/pulse power triode; maximum anode voltage 2500 V.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
GI70BT Triode
The Russian GI70BT is a ceramic-metal pulse triode designed for UHF oscillation in continuous-wave and pulsed operating modes. Its indirectly heated oxide cathode and forced-air cooling support high-frequency operation. Permissible anode voltage and output power differ substantially between continuous and pulse service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
GK10A Triode
The Russian GK10A is a very-high-power, directly heated transmitting triode intended for RF amplification at frequencies up to approximately 2 MHz. Its carbidized tungsten filament supplies heavy electron emission, while forced-water cooling manages the substantial thermal load. Common-grid and common-cathode circuits are supported.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 20 V
- Sections
- 1
GK10B Triode
The Russian GK10B is a high-power transmitting triode employing a directly heated carbidized tungsten filament. Designed for RF power amplification in common-grid or common-cathode circuits, it operates up to approximately 2 MHz. Its metal-ceramic construction uses forced-air cooling for demanding industrial service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 20 V
- Sections
- 1
GK13A Triode
The GK13A is a Russian water-cooled power triode developed for RF amplification and oscillator applications. Its directly heated carbide-treated tungsten filament provides substantial electron emission. The tube is designed for industrial and transmitting equipment operating at frequencies up to approximately 30 MHz.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.5 V
- Sections
- 1
GK3A Triode
The GK3A is a Russian high-power triode intended for RF oscillation and amplification. It employs a directly heated carbide-treated tungsten cathode and forced-water cooling. Its electrical characteristics support operation in industrial and transmitter equipment, including specialized pulsed operating conditions.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 17 V
- Sections
- 1
GK5A Triode
High-power RF triode for oscillator, amplifier, or transmitting service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 18 V
- Sections
- 1
GK750 Triode
The Russian GK750 is an RF oscillator triode designed for high-frequency power generation. Its glass-envelope construction and air cooling make it suitable for comparatively moderate-power installations. The tube operates with a five-volt heater and supports frequencies up to approximately 40 MHz.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 5 V
- Sections
- 1
GK9A Triode
The GK9A is a Russian water-cooled power triode developed for radio-frequency power amplification. Its directly heated carbide-treated tungsten cathode and metal-glass envelope support high-current operation. The tube is intended for lower-frequency transmitting and industrial systems, including specialized pulsed applications.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 8.3 V
- Sections
- 1
GK9B Triode
Russian directly heated forced-air-cooled RF power triode designed for outputs up to approximately 30 kW at frequencies to about 2 MHz, serving large communications and industrial RF power amplifiers.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 8.3 V
- Sections
- 1
GK9P Triode
Soviet power triode designed specifically for RF power amplification. Available manufacturer data confirms a heavy directly heated transmitting structure, but the source does not support sufficiently reliable detailed ratings for a more numerical description.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 8.3 V
- Sections
- 1
GL8008 Triode
High-power RF triode for oscillator, amplifier, or transmitting service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4.75 V
- Sections
- 1
GM100A Triode
High-power RF triode for oscillator, amplifier, or transmitting service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 5 V
- Sections
- 1
GM100B Triode
High-power RF triode for oscillator, amplifier, or transmitting service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
GM1P Triode
Russian power triode for low-frequency low-distortion cathode-coupled amplifier service in electronic or RF equipment.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 10.5 V
- Sections
- 1
GM3A Triode
Russian power triode for low-frequency low-distortion cathode-coupled amplifier service in electronic or RF equipment.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GM3B Triode
Russian power triode for low-frequency low-distortion cathode-coupled amplifier service in electronic or RF equipment.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GM3P Triode
Russian power triode for low-frequency low-distortion cathode-coupled amplifier service in electronic or RF equipment.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GM51A Triode
The Russian GM51A is a water-cooled power triode intended for high-power electronic amplification. It uses a directly heated carbide-treated tungsten cathode enclosed in a metal-glass structure. Its substantial anode-voltage capability supports industrial and specialized transmitting equipment.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 22 V
- Sections
- 1
GM5B Triode
Russian metal-ceramic power triode for series anode-modulation service, using forced-air cooling.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GM60 Triode
The GM60 is a Russian directly heated power triode intended primarily for low-frequency amplification. Its glass envelope and tungsten cathode support high-voltage operation with air cooling. It provides power amplification in specialized electronic equipment requiring substantial voltage and moderate output power.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 17 V
- Sections
- 1
GS13 Triode
Soviet centimeter-wave power triode for microwave RF generation and amplification. Manufacturer data specifies useful output at wavelengths around 7–9 cm, placing it firmly in specialized microwave service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GS14 Triode
High-transconductance Soviet centimeter-wave power triode for microwave RF service. Manufacturer data specifies useful output at wavelengths below roughly 8 cm, with increased dissipation compared with the GS13.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GS142 Triode
RF power oscillator or amplifier.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
GS1B Triode
RF power oscillator or amplifier.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
GS20 Triode
RF power oscillator or amplifier.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GS21 Triode
RF power oscillator or amplifier.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GS22 Triode
RF power oscillator or amplifier.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GS24B Triode
Grounded-grid RF power triode for oscillator and amplifier service. High transconductance, moderate plate dissipation, and several-hundred-volt operation provide compact radio-frequency power from a conventional heater supply.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GS29B Triode
RF power oscillator or amplifier.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
