Power - Triode vacuum tubes

Triode

RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.

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Triode

Directly heated high-mu transmitting triode for telegraph and telephone transmitter service. High amplification factor, substantial plate dissipation, and operation near 10 kV support several kilowatts of useful professional RF output.

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12.5 V

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Triode

Water-cooled directly heated power triode for high-power telegraph and telephone transmitters. Approximately 5 kW plate dissipation and multi-kilovolt operation provide substantial continuous RF and modulator power.

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21.5 V

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Triode

Directly heated water-cooled Philips transmitting triode for high-power transmitter service.

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21.5 V

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Triode

Water-cooled high-power Philips transmitting triode for long-wave telegraphy and telephony.

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22 V

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Triode

RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.

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10 V

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Triode

The Philips TA1.5/75 is a directly heated transmitting triode intended for high-frequency amplification and oscillator service. It uses a tungsten filament and is rated for approximately 75 watts of anode dissipation. Its construction supports small transmitting equipment and laboratory RF applications.

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Triode

Directly heated power triode intended for audio output service. Approximately 15 W plate dissipation, low amplification factor, and published push-pull operating data make it a conventional low-frequency output device.

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4 V

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Triode

RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.

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Triode

RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.

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Triode

RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.

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Triode

Philips transmitting power triode for RF amplification, oscillator, and industrial high-frequency service. Moderate plate dissipation and manufacturer operating data support general-purpose transmitting and industrial RF generation.

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Triode

The Philips TB1/60 is a transmitting triode intended for short-wave and ultra-short-wave amplification and oscillation. Its thoriated-tungsten filament and separated external grid and plate connections minimize interelectrode capacitance. The tube can operate in push-pull oscillator arrangements and RF transmitting circuits.

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Triode

Philips transmitting power triode for RF amplification, oscillation, and industrial high-frequency service. Rated for approximately 200 W plate dissipation, with manufacturer data covering filament, anode, grid, frequency, and operating conditions for high-power applications.

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Triode

The Philips TB2.5/300 is a directly heated, thoriated-tungsten transmitting triode intended for high-frequency and low-frequency amplification and oscillator service. Suitable for grounded-grid circuits, it employs radiation and low-velocity airflow cooling. Its construction supports medium-power transmitting applications across several operating classes.

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6.3 V

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Triode

The Philips TB2.5/300 is a medium-power transmitting triode designed for radio-frequency and audio-frequency amplification and oscillator applications. Its directly heated thoriated-tungsten filament supplies electron emission, while the electrode structure suits grounded-grid operation. Radiation and gentle airflow provide cooling during transmitting service.

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6.3 V

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Triode

The Philips TB2.5/400 is a directly heated power triode suitable for high-frequency and low-frequency amplifier and oscillator applications. Its thoriated-tungsten filament, relatively low interelectrode capacitances, and medium-power construction make it useful in transmitting equipment, including grounded-grid circuits with suitable cooling.

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6.3 V

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Triode

The Philips TB2.5/400 is a thoriated-tungsten transmitting triode designed for RF and audio-frequency power amplification and oscillator service. It is suitable for grounded-grid circuits and employs direct filament heating. Its operating ratings vary with frequency, operating class, and the available radiation or airflow cooling.

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6.3 V

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Triode

Directly heated Philips transmitting triode for RF and AF power service. Rated for approximately 100 W plate dissipation and 3 kV plate voltage, with manufacturer data covering transmitting operating conditions and interelectrode capacitances.

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B4B

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5 V

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Triode

RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.

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J4

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5 V

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Triode

Water-cooled industrial RF power triode with thoriated-tungsten filament for amplifier, oscillator, or transmitter service.

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12.6 V

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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.

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4 V

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Triode

The Philips TC04/10 is a transmitting triode designed for radio-frequency oscillators and Class B or Class C amplifiers. Its high-emission oxide filament and separate upper electrode terminals reduce internal capacitance and inductance. The tube is suitable for compact transmitting equipment with frequency-dependent operating-voltage limits.

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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.

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4 V

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Triode

The Philips TC04/10-I is a directly heated transmitting triode intended for compact radio transmitters and RF oscillators. Its oxide-coated filament provides efficient electron emission, and the external plate and grid terminals minimize parasitic capacitance. The tube supports low-power transmitter operation with frequency-dependent anode-voltage limits.

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4 V

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Triode

Directly heated Philips transmitting triode for oscillator, RF amplifier, and Class B audio service. With about 660 V plate capability and 40 W dissipation, it provides useful medium-power transmitter performance.

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4 V

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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.

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6 V

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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.

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10 V

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Triode

Mullard disc-seal triode for common-grid or grounded-anode RF oscillator and power-amplifier service. Its low-inductance construction supports operation to roughly 1 GHz.

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6.3 V

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Triode

Mullard disc-seal power triode for RF amplifier and oscillator service to approximately 1 GHz. Rated around 20 W dissipation, its high transconductance and low-inductance construction provide useful UHF power.

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6.3 V

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Triode

Planar or disc-seal transmitting triode designed for high-frequency RF amplification or oscillator service. Low-inductance construction supports UHF or microwave operation beyond the practical range of conventional transmitting triodes.

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6.3 V

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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.

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6.3 V

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Triode

RF power transmitting triode for amplifier, oscillator, communications, broadcast, or industrial high-frequency generator service.

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UX4

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Triode

Forced-air-cooled transmitting power triode for oscillator and AF or RF amplifier service. Approximately 10 kW maximum plate dissipation places it among substantial high-power professional transmitting tubes.

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10 V

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Triode

Forced-air-cooled planar ceramic-metal transmitting triode for oscillator and amplifier service to approximately 1 GHz. About 700 W anode dissipation combines substantial RF power handling with UHF operation.

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Triode

Ceramic-metal transmitting power triode intended for oscillator and amplifier service and especially designed for pulse-amplifier applications. Its approximately 12 kW plate-dissipation class places it among very-high-power pulsed RF devices.

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7.5 V

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Triode

The Svetlana TH6-3A is a ceramic-metal industrial power triode intended for high-power Class C oscillator service, particularly dielectric heating. Its directly heated thoriated-tungsten mesh filament provides substantial emission. A welded star-shaped grid flange improves mechanical mounting, electrical connection, and heat transfer.

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7.5 V

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Triode-Triode

Battery double triode designed for push-pull Class-B power-amplifier service in portable receivers, integrating two directly heated output sections in one envelope.

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2 V

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Triode

Special-purpose transmitting triode for radio-frequency power service.

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7.5 V

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Triode

High-power directly heated transmitting triode for radio-frequency power service.

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10.5 V

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Triode

Special-purpose high-power transmitting triode for radio-frequency service.

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10.5 V

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Triode

Directly heated transmitting triode for high-voltage radio-frequency service.

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7.5 V

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Triode

Directly heated transmitting triode for radio-frequency service.

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20 V

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Triode

Thin-wall carbon-anode transmitting triode for high-frequency RF service, fully rated through approximately 60 MHz.

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UX4

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7.5 V

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Triode

Water-cooled high-power transmitting triode for RF power amplification and industrial RF heating.

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18.5 V

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Triode

Directly heated zero-bias power triode designed primarily for Class B audio service. A pair can provide substantial output without a separate grid-bias supply, making it an efficient audio power device.

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UX4

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7.5 V

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Triode

Directly heated zero-bias power triode for Class B audio and RF applications. Approximately 40 W plate dissipation and 1.5 kV capability support substantial audio output as well as RF frequency-doubler service.

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UX4

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7.5 V

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Triode

Eimac radiation-cooled ultra-high-frequency power triode with directly heated thoriated-tungsten filament. Approximately 50 W plate dissipation and kilovolt-class capability suit compact UHF transmitting applications.

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7.5 V

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