Electronic tube type
Power - Triode Single (under 10W) vacuum tubes
Power - Triode Single (under 10W) records in Tube Tinker cover 101 tube designations, including 283 preserved original datasheets. Compare bases, sockets, heater requirements, construction, exact variations, and directional replacement options.
- Tube records
- 101
- Original datasheets
- 283
- Variation families
- 8
- Tubes with alternatives
- 7
About Power - Triode Single (under 10W) tubes
Tubes of this type must have a power triode section which takes priority. The max plate watt rating must below 10 watts. Qualification also says that this tube did NOT qualify as "HorizontalSweep" or "VerticalSweep"
Electrical range
- Nominal heater voltage
- 1.2–40 V
- Nominal heater current
- 0.1–78 A
Common power - triode single (under 10w) characteristics
These are the most frequently recorded attributes among tubes in this category.
Bases
- 5BD1
- 6BG1
- 7BC1
- 8DM1
- 9FR1
- 9H1
- A321
- BBA1
Sockets
- B9A13
- B7G5
- MEDIUM4BAYONET5
- B44
- IO4
- B4B2
- B52
- DISCSEAL42
Constructions
- Triode92
- Triode-Triode9
Power - Triode Single (under 10W) tube list
Page 2 of 3
8212 Triode
General-purpose triode for amplification or electronic service as documented by the manufacturer.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 12.6 V
- Sections
- 1
8213 Triode
General-purpose triode for amplification or electronic service as documented by the manufacturer.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 12.6 V
- Sections
- 1
8506 Triode
Metal-ceramic planar UHF triode for radio-frequency power-amplifier service. Its high transconductance and amplification factor around 110 combine strong gain with extremely low plate-to-cathode capacitance in compact high-frequency circuitry.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
8556 Triode
Special-quality UHF power triode for grounded-grid amplifiers and oscillators at frequencies to approximately 1 GHz, co-designated with EC8010.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
8727 Triode
Fast-warm-up ceramic-metal high-mu triode for linear RF amplification, oscillator, doubler, and tripler service.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 6.3 V
- Sections
- 1
8906 Triode
Rugged planar triode for CW or pulsed oscillator, multiplier, modulator, amplifier, and regulator service at frequencies to approximately 3 GHz.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6 V
- Sections
- 1
8906AL Triode
Ruggedized high-mu ceramic-metal planar triode for grid-pulsed, plate-pulsed, or CW oscillator, amplifier, multiplier, modulator, and regulator service to approximately 3 GHz.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 5.7 V
- Sections
- 1
958A Triode
Directly heated acorn transmitting triode for RF power amplification and oscillator service through approximately 350 MHz.
- Base
- 5BD
- Socket
- ACORN5
- Heater
- 1.25 V
- Sections
- 1
BW604 Triode
BW604 power - triode single (under 10w) electronic tube specifications and datasheets.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 2.25 V
- Sections
- 1
C405 Triode
Directly heated Philips power triode for audio output-stage service, with approximately 5 W maximum anode dissipation and low internal resistance.
- Base
- A32
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 1
CA Triode
Directly heated triode with a 3.65 V filament and approximately 5 W maximum anode dissipation, documented in RFT technical literature.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 3.65 V
- Sections
- 1
CAS Triode
Directly heated triode with a 3.65 V filament and approximately 5 W maximum anode dissipation, documented in RFT technical literature.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 3.65 V
- Sections
- 1
CE Triode
Directly heated triode with a 3.8 V filament, approximately 220 V operating point, and 5 W maximum anode dissipation.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 3.8 V
- Sections
- 1
DL Triode
Early low-impedance triode usable as a small audio-output valve, initial low-frequency amplifier, or oscillator. Its moderate amplification and relatively low plate resistance provide useful stage gain and modest power without a pentode output device.
- Base
- Not recorded
- Socket
- B4
- Heater
- 16 V
- Sections
- 1
EC52 Triode
Single-ended short-wave triode for low-power oscillator service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
EC8010 Triode
Power-capable triode intended for amplifier or driver service. Manufacturer data support moderate-current operation and useful dissipation, but do not justify assignment to the large transmitting or specialized regulator families.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 6.3 V
- Sections
- 1
EC81 Triode
Power-capable triode intended for amplifier or driver service. Manufacturer data support moderate-current operation and useful dissipation, but do not justify assignment to the large transmitting or specialized regulator families.
- Base
- Not recorded
- Socket
- B9A
- Heater
- 6.3 V
- Sections
- 1
ECC91 Triode-Triode
Common-cathode VHF double triode for RF power amplification, oscillator, mixer, and frequency-multiplier service, capable of several watts RF output and operation to roughly 250 MHz.
- Base
- Miniature
- Socket
- B7G
- Heater
- 6.3 V
- Sections
- 2
ED Triode
Power triode designed for output-amplifier service, providing substantial low-frequency output in receiving or audio equipment.
- Base
- Not recorded
- Socket
- POST7
- Heater
- 4 V
- Sections
- 1
F6068 Triode
Fixed-frequency 1.5 GHz cavity oscillator using a pencil triode in an integral cavity, designed as a rugged low-cost microwave signal generator.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GE13971 Triode
Long-life zero-bias planar triode for plate-pulsed broadband oscillator and amplifier chains to approximately 6 GHz. Its metal-ceramic construction and high transconductance provide substantial gain in compact pulsed microwave systems.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GE16231 Triode
Metal-ceramic planar triode designed for pulsed broadband microwave oscillator or amplifier service. Its compact low-inductance construction and high transconductance support operation into the multi-gigahertz region in professional pulse and communications systems.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GE18651 Triode
Metal-ceramic planar triode designed for pulsed broadband microwave oscillator or amplifier service. Its compact low-inductance construction and high transconductance support operation into the multi-gigahertz region in professional pulse and communications systems.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GS11 Triode
Compact Soviet high-frequency power triode with very low output capacitance. Its small structure, kilovolt-class plate capability, and modest dissipation suit specialized RF and microwave amplifier or oscillator applications.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GS19 Triode
RF power oscillator or amplifier.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GS25 Triode
RF power oscillator or amplifier.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GS32 Triode
RF power oscillator or amplifier.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
GS37 Triode
Russian metal-ceramic microwave oscillator triode for approximately 6.5–8 GHz generation.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
HL22 Triode
Low-current high-voltage control triode for regulated high-voltage DC power supplies.
- Base
- Not recorded
- Socket
- IO
- Heater
- 2 V
- Sections
- 1
HL25 Triode
High-voltage control triode for voltage-regulator service in high-voltage, low-current DC power supplies.
- Base
- Not recorded
- Socket
- IO
- Heater
- 4 V
- Sections
- 1
LD1 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
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
ML4 Triode
Classic Marconi/Osram directly heated audio power triode for early receiver output stages. It combines about 5 W plate dissipation with low plate resistance and useful transformer-coupled output capability.
- Base
- Not recorded
- Socket
- B4
- Heater
- 4 V
- Sections
- 1
PJ21 Triode
General Electric high-vacuum Pliotron power triode for amplification and relay applications. Published linear operation provides about 1.7 W output at 5% second-harmonic distortion from a 350 V plate supply.
- Base
- Not recorded
- Socket
- B4B
- Heater
- 4.5 V
- Sections
- 1
PJ8 Triode
High-vacuum triode, co-designated GL-5559/PJ-8, for amplification, relay, and electronic control applications.
- Base
- Not recorded
- Socket
- B4B
- Heater
- 4.5 V
- Sections
- 1
PP3521 Triode
Indirectly heated very-low-impedance output triode for AC/DC mains receivers requiring comparatively high audio power. High transconductance and strong current capability support useful single-ended or push-pull loudspeaker output.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 35 V
- Sections
- 1
RD12TE Triode
Lorenz indirectly heated decimeter-wave transmitting triode with self-excited oscillator operating data around 50 cm wavelength.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 12.6 V
- Sections
- 1
RD2MC Triode
German transmitting and control triode with published electrical ratings and operating data for professional RF service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
RD2MD Triode
German transmitting and control triode with published electrical ratings and operating data for professional RF service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 2 V
- Sections
- 1
RK33 Triode-Triode
Twin triode designed for RF power-amplifier and oscillator service, with two similar systems and published Class-C output capability to approximately 60 MHz.
- Base
- Not recorded
- Socket
- MEDIUM7
- Heater
- 6.3 V
- Sections
- 2
TA045 Triode
RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 5 V
- Sections
- 1
TC035 Triode
Small directly heated Philips transmitting triode for amateur RF oscillator and amplifier service. With about 500 V plate capability and 6 W dissipation, it provides modest transmitting power from a compact device.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 1
TC0351 Triode
Transmitting power triode intended for RF amplification, oscillator, modulation, or industrial generator service. Manufacturer documentation emphasizes professional radio-frequency operation and substantial power handling.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 1
TC035I Triode
TC035I power - triode single (under 10w) electronic tube specifications and datasheets.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4 V
- Sections
- 1
TD0310F Triode
Mullard disc-seal triode with internal feedback for common-grid concentric-line RF oscillator service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
TD035 Triode
Mullard high-mu disc-seal triode designed for RF amplification to approximately 2 GHz. Its compact electrode geometry and high amplification factor provide useful microwave-frequency gain.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- Not recorded
- Sections
- 1
TH366 Triode
Miniature planar triode for oscillator, amplifier, and frequency-multiplier service through approximately 3 GHz.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6 V
- Sections
- 1
TH368 Triode
Directly heated transmitting triode for radio-frequency power service.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 6.3 V
- Sections
- 1
VLS350 Triode
Triode for general electronic service. Available source material does not establish a narrower functional application confidently.
- Base
- Not recorded
- Socket
- Not recorded
- Heater
- 4.5 V
- Sections
- 1
