Thales TH629 Klystron Amplifier
A CW pulsed klystron tube operating at X-band frequencies for radar transmitters and scientific accelerators. Falls under HTS 8540.79.2000 as 'other' microwave tubes (klystrons) excluding grid-controlled variants. Provides high power output for military and research applications requiring precise frequency control.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If power rating exceeds certain thresholds for static converters
High-power tubes sometimes classified as power supply components in 8504
If calibrated for oscilloscope/measurement use
Calibrated microwave instruments fall under 9030.40 chain
If industrial machinery tube component
Machines NESOI may capture tubes for industrial processing equipment
Not sure which classification is right?
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Import Tips & Compliance
• Export license may be required for high-power klystrons (ITAR/EAR); provide frequency/power specs matching subheading
• Ensure no grid-control features per exclusion note
• Common pitfall: misclassification as complete radar under 8526
Related Products under HTS 8540.79.20.00
CPI TMD VTS-2703 Traveling Wave Tube
A high-power traveling wave tube (TWT) amplifier used in satellite ground stations for RF signal amplification in Ka-band communications. Classified under HTS 8540.79.2000 as a microwave tube (traveling wave tube) excluding grid-controlled types, specifically 'other' microwave tubes not covered by prior subheadings. Essential for broadband satellite uplinks requiring high gain and efficiency.
Communications & Power Industries VZS-1203 Magnetron
Frequency-agile magnetron for L-band radar applications in weather monitoring and air traffic control. HTS 8540.79.2000 covers this as 'other' microwave tube (magnetron type), excluding grid-controlled tubes. Delivers pulsed high-power microwave generation for long-range detection systems.
Teledyne e2v CPM240 Magnetron
Cooker/pulsed magnetron for S-band maritime radar systems. Classified HTS 8540.79.2000 as other microwave tube (magnetron), providing reliable microwave power generation for marine navigation.
L3Harris TWTA-50S Traveling Wave Tube Amplifier
Military-grade TWT amplifier for electronic warfare and telemetry applications operating 2-18 GHz. HTS 8540.79.2000 for other microwave tubes (traveling wave tube type). Compact design for UAV/drone integration.
Canon 7KVA-2 Klystron
High-power CW klystron for particle accelerator injection systems. HTS 8540.79.2000 as other microwave tube (klystron). Used in medical linear accelerators and research facilities.
Mitsubishi 2M239 Magnetron
Industrial magnetron for microwave heating/sintering furnaces operating at 2.45 GHz. Classified under HTS 8540.79.2000 as other microwave tube. High-reliability design for continuous materials processing.