Parts Catalog

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

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CPI / EimacComete2v / TeledyneThomson / Thales
E3780 Microwave Tubes

GYCOM / CPI

E3780 110 GHz Gyrotron

High-power gyrotron oscillator at 110 GHz with 500 kW CW output for plasma heating in fusion research reactors and ITER-type devices.

Tube Type
Gyrotron
Frequency
110 GHz
In Stock View Details →
EEV-K3100 Microwave Tubes

e2v Technologies

EEV K3100 S-Band Linac Klystron

e2v S-band pulsed klystron at 2.856 GHz with 1.5 MW peak power for medical and industrial linear accelerator systems.

Tube Type
Klystron
Frequency
2.856 GHz
In Stock View Details →
EEV-K4052 Microwave Tubes

e2v Technologies

EEV K4052 C-Band Pulsed Klystron

e2v C-band pulsed klystron at 5.7 GHz with 10 MW peak power for long-range radar and high-energy physics research installations.

Tube Type
Klystron
Frequency
5.7 GHz
In Stock View Details →
Hughes-1177H Microwave Tubes

Hughes / L3 EDD

Hughes 1177H Ku-Band TWT

Ku-band traveling wave tube (TWT) amplifier covering 12–18 GHz with 250 W CW output for satellite communications uplinks and military EW systems.

Tube Type
TWT (Traveling Wave Tube)
Frequency Range
12–18 GHz
In Stock View Details →
QKW-1553 Microwave Tubes

e2v Technologies

QKW-1553 UHF Inductive Output Tube (IOT)

UHF inductive output tube (IOT) for digital TV broadcast, delivering 60 kW CW output over the 470–860 MHz UHF television band with high efficiency.

Tube Type
IOT (Inductive Output Tube)
Frequency Band
UHF
In Stock View Details →
SV-3174 Microwave Tubes

Teledyne / e2v

SV-3174 C-Band TWT Amplifier

C-band TWT amplifier covering 4–8 GHz with 100 W CW for electronic warfare, communications, and instrumentation amplifier applications.

Tube Type
TWT
Frequency Range
4–8 GHz
In Stock View Details →
SV-3192 Microwave Tubes

Teledyne / e2v

SV-3192 S-Band TWT Amplifier

S-band traveling wave tube amplifier covering 2–4 GHz with 50 W CW output for electronic countermeasures, jamming, and electronic warfare systems.

Tube Type
TWT
Frequency Range
2–4 GHz
In Stock View Details →
TH3560 Microwave Tubes

Thomson / Thales

TH3560 352 MHz CW Klystron (Thomson)

Thomson/Thales superconducting-compatible CW klystron at 352 MHz with 1 MW output for large proton and heavy-ion particle accelerators.

Tube Type
Klystron
Frequency
352 MHz
In Stock View Details →
TH3591 Microwave Tubes

Thomson / Thales

TH3591 L-Band CW Klystron (Thomson)

Thomson/Thales L-band CW klystron at 1.3 GHz with 500 kW continuous output for particle accelerator RF power systems.

Tube Type
Klystron
Frequency
1.3 GHz
In Stock View Details →
VA-125A Microwave Tubes

CPI (formerly Varian)

VA-125A L-Band Pulsed Klystron

L-band pulsed klystron at 1.25 GHz delivering 1 MW peak output power for long-range search and tracking radar systems.

Tube Type
Klystron
Frequency
1.25 GHz
In Stock View Details →
VA-935A Microwave Tubes

CPI (formerly Varian)

VA-935A S-Band Klystron (Linac)

High-power S-band klystron at 2.856 GHz delivering 5 MW peak output for medical and physics linear particle accelerators.

Tube Type
Klystron
Frequency
2.856 GHz
In Stock View Details →
VKS-7852 Microwave Tubes

CPI

VKS-7852 L-Band CW Klystron

L-band CW klystron at 1.3 GHz with 1 MW continuous output power for particle accelerator RF power systems and linear accelerator cavities.

Tube Type
Klystron
Frequency
1.3 GHz
In Stock View Details →
VTS-5754 Microwave Tubes

CPI / Teledyne

VTS-5754 Ka-Band TWT Amplifier

Ka-band traveling wave tube amplifier covering 26.5–40 GHz with 30 W CW output for millimeter-wave communications and EW applications.

Tube Type
TWT
Frequency Range
26.5–40 GHz
In Stock View Details →
YK-1271 Microwave Tubes

CETC / BVERI

YK-1271 Chinese S-Band Linac Klystron

Chinese-manufactured S-band pulsed klystron at 2.856 GHz with 2 MW peak output for medical and industrial linear accelerators.

Tube Type
Klystron
Frequency
2.856 GHz
In Stock View Details →
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 →
4-125A RF Power Grid Tubes

Various

4-125A Beam Power Tetrode

Classic beam power tetrode with 125 W plate dissipation, widely used in HF and VHF exciters and low-power transmitter stages.

Tube Type
Beam Power Tetrode
Plate Dissipation
125 W
In Stock View Details →
4-400A RF Power Grid Tubes

Various

4-400A Beam Power Tetrode

Beam power tetrode with 400 W plate dissipation for medium-power HF and VHF transmitters and industrial RF systems.

Tube Type
Beam Power Tetrode
Plate Dissipation
400 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 →
CTK 12-1 RF Power Grid Tubes

Thomson / Thales

CTK 12-1 Metal-Ceramic Power Triode

Thales high-µ coaxial metal-ceramic power triode with 30 kW RF output for industrial RF heating and CO₂ laser oscillator applications.

Tube Type
Triode
Output Power
30 kW
In Stock View Details →
CTK 12-3 RF Power Grid Tubes

Thomson / Thales

CTK 12-3 Metal-Ceramic Power Triode

Thales coaxial metal-ceramic power triode with 30 kW output, CTK 12 series variant optimised for industrial RF heating and laser systems.

Tube Type
Triode
Output Power
30 kW
In Stock View Details →
CTK 12-4 RF Power Grid Tubes

Thomson / Thales

CTK 12-4 Metal-Ceramic Power Triode

Thales metal-ceramic power triode in the CTK 12 family widely used in CO₂ laser cutting machine oscillators and industrial RF circuits up to 120 MHz.

Tube Type
Triode
Max Frequency
120 MHz
In Stock View Details →
CTK 15-2 RF Power Grid Tubes

Thomson / Thales

CTK 15-2 RF Laser Electron Triode Tube

Thales high amplification factor coaxial metal-ceramic power triode with 45 kW output at up to 120 MHz. Water-cooled anode and forced-air stem for continuous duty in CO₂ laser cutting and industrial RF heating.

Tube Type
Triode
Max Output Power
45 kW
In Stock View Details →
CTK 24-5 RF Power Grid Tubes

Thomson / Thales

CTK 24-5 Metal-Ceramic Power Triode

Thales coaxial metal-ceramic power triode bridging the CTK 15-2 and CTK 25-4 power levels for industrial RF and CO₂ laser applications.

Tube Type
Triode
Construction
Metal-ceramic coaxial
In Stock View Details →
CTK 3-1 RF Power Grid Tubes

Thomson / Thales

CTK 3-1 Metal-Ceramic Power Triode

Thales high-µ coaxial metal-ceramic power triode with 5 kW output for industrial RF heating and oscillator applications.

Tube Type
Triode
Output Power
5 kW
In Stock View Details →
CTK 3-3 RF Power Grid Tubes

Thomson / Thales

CTK 3-3 Metal-Ceramic Power Triode

Thales high-µ metal-ceramic power triode with 5 kW output, variant of the CTK 3-1 series for industrial RF and oscillator applications.

Tube Type
Triode
Output Power
5 kW
In Stock View Details →
CTK 30-2 RF Power Grid Tubes

Thomson / Thales

CTK 30-2 Metal-Ceramic Power Triode

Thales high-power coaxial metal-ceramic triode with water-cooled anode, positioned between the CTK 25-4 and CTK 35-2 for industrial RF and laser duty.

Tube Type
Triode
Construction
Metal-ceramic coaxial
In Stock View Details →
CTK 35-2 RF Power Grid Tubes

Thomson / Thales

CTK 35-2 High Frequency Metal-Ceramic Power Triode

Top-of-range Thales CTK series coaxial metal-ceramic triode delivering 110 kW at up to 100 MHz with water-cooled anode for the most demanding industrial CO₂ laser and RF heating applications.

Tube Type
Triode
Max Output Power
110 kW
In Stock View Details →
CTK 5-1 RF Power Grid Tubes

Thomson / Thales

CTK 5-1 Metal-Ceramic Power Triode

Thales coaxial metal-ceramic power triode with 10 kW RF output for industrial heating, plastic welding, and RF oscillator applications.

Tube Type
Triode
Output Power
10 kW
In Stock View Details →
CTK 5-2 RF Power Grid Tubes

Thomson / Thales

CTK 5-2 Metal-Ceramic Power Triode

Thales coaxial metal-ceramic power triode delivering 10 kW output, CTK 5-1 series variant for industrial RF and oscillator circuits.

Tube Type
Triode
Output Power
10 kW
In Stock View Details →
GU-43B RF Power Grid Tubes

Svetlana / Reflector

GU-43B Russian Power Triode

Russian metal-ceramic triode with 1.5 kW plate dissipation and excellent UHF characteristics up to 300 MHz, used in HF to VHF linear amplifiers.

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

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