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Thales TH629 Klystron Amplifier from Japan

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.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

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