Parts Catalog

18 parts — vacuum tubes, magnetrons, RF components & more

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CPI / EimacComete2v / TeledyneThomson / Thales
3CX10000H3 RF Power Grid Tubes

Eimac / CPI

3CX10000H3 Ceramic Triode

Very high-power ceramic triode with 10 kW plate dissipation for high-power FM broadcast transmitters and scientific RF power sources.

Tube Type
Triode
Plate Dissipation
10000 W
In Stock View Details →
3CX15000A7 RF Power Grid Tubes

Eimac / CPI

3CX15000A7 Ceramic Triode

Large ceramic triode with 15 kW plate dissipation for high-power shortwave and medium-wave broadcast transmitters operating at HF frequencies.

Tube Type
Triode
Plate Dissipation
15000 W
In Stock View Details →
3CX30000H7 RF Power Grid Tubes

Eimac / CPI

3CX30000H7 Ceramic Triode

Very large ceramic triode with 30 kW plate dissipation, among the highest-power triodes available for MW broadcast and strategic HF transmitters.

Tube Type
Triode
Plate Dissipation
30000 W
In Stock View Details →
3CX3000F7 RF Power Grid Tubes

Eimac / CPI

3CX3000F7 Ceramic Triode

Ceramic-metal power triode with 3 kW plate dissipation for grounded-grid FM broadcast amplifiers and HF linear amplifiers operating up to 220 MHz.

Tube Type
Triode
Plate Dissipation
3000 W
In Stock View Details →
3CX5000A7 RF Power Grid Tubes

Eimac / CPI

3CX5000A7 Ceramic Triode

High-power ceramic triode with 5 kW plate dissipation, the workhorse of FM broadcast and HF linear amplifiers up to 200 MHz.

Tube Type
Triode
Plate Dissipation
5000 W
In Stock View Details →
4CX10000D RF Power Grid Tubes

Eimac / CPI

4CX10000D Ceramic Tetrode

Very high-power ceramic tetrode with 10 kW plate dissipation for high-power AM broadcast, TV transmitters, and industrial RF heating.

Tube Type
Beam Tetrode
Plate Dissipation
10000 W
In Stock View Details →
4CX1000A RF Power Grid Tubes

Eimac / CPI

4CX1000A Ceramic Tetrode

Ceramic-metal beam tetrode with 1 kW plate dissipation for high-power HF and VHF amplification in broadcast and industrial applications.

Tube Type
Beam Tetrode
Plate Dissipation
1000 W
In Stock View Details →
4CX1000K RF Power Grid Tubes

Eimac / CPI

4CX1000K Ceramic Tetrode (VHF/UHF)

Extended-frequency ceramic tetrode with 1 kW plate dissipation, optimized for VHF and lower UHF amplification up to 500 MHz.

Tube Type
Beam Tetrode
Plate Dissipation
1000 W
In Stock View Details →
4CX15000A RF Power Grid Tubes

Eimac / CPI

4CX15000A Ceramic Tetrode

Very large ceramic tetrode with 15 kW plate dissipation for high-power shortwave broadcast and international HF transmitter systems.

Tube Type
Beam Tetrode
Plate Dissipation
15000 W
In Stock View Details →
4CX20000A RF Power Grid Tubes

Eimac / CPI

4CX20000A Ceramic Tetrode

Largest in the 4CX series, this ceramic tetrode has 20 kW plate dissipation for very high-power broadcast and industrial RF applications.

Tube Type
Beam Tetrode
Plate Dissipation
20000 W
In Stock View Details →
4CX250B RF Power Grid Tubes

Eimac / CPI

4CX250B Ceramic Tetrode

Classic ceramic-metal beam tetrode with 250 W plate dissipation, widely used in HF and VHF amplifiers up to 110 MHz.

Tube Type
Beam Tetrode
Plate Dissipation
250 W
In Stock View Details →
4CX250R RF Power Grid Tubes

Eimac / CPI

4CX250R Glass-Metal Tetrode

Glass-metal beam tetrode with 250 W plate dissipation, functionally equivalent to the 4CX250B with glass/metal envelope.

Tube Type
Beam Tetrode
Plate Dissipation
250 W
In Stock View Details →
4CX3000A RF Power Grid Tubes

Eimac / CPI

4CX3000A Ceramic Tetrode

High-power ceramic-metal tetrode with 3 kW plate dissipation for medium and high-power broadcast transmitters and industrial RF systems.

Tube Type
Beam Tetrode
Plate Dissipation
3000 W
In Stock View Details →
4CX350A RF Power Grid Tubes

Eimac / CPI

4CX350A Ceramic Tetrode

Ceramic beam tetrode with 350 W plate dissipation for VHF and lower UHF amplification in broadcast and industrial applications.

Tube Type
Beam Tetrode
Plate Dissipation
350 W
In Stock View Details →
4CX5000A RF Power Grid Tubes

Eimac / CPI

4CX5000A Ceramic Tetrode

Large ceramic-metal tetrode with 5 kW plate dissipation, used in medium-power broadcast transmitters and high-power RF amplifiers.

Tube Type
Beam Tetrode
Plate Dissipation
5000 W
In Stock View Details →
4CX600J RF Power Grid Tubes

Eimac / CPI

4CX600J Ceramic Tetrode

Ceramic beam tetrode with 600 W plate dissipation for high-power VHF amplification and industrial RF induction heating.

Tube Type
Beam Tetrode
Plate Dissipation
600 W
In Stock View Details →
8874 RF Power Grid Tubes

Eimac / CPI

8874 Ceramic Triode (Eimac)

Companion to the 8877, this ceramic triode delivers 2 kW plate dissipation with operation up to 800 MHz for high-power VHF and UHF amplifiers.

Tube Type
Triode
Plate Dissipation
2000 W
In Stock View Details →
8877 RF Power Grid Tubes

Eimac / CPI

8877 Ceramic Triode (Eimac)

High-gain ceramic triode with 1.5 kW plate dissipation, extremely popular for UHF amplifiers and amateur radio high-power amplifiers up to 1 GHz.

Tube Type
Triode
Plate Dissipation
1500 W
In Stock View Details →

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