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Klystron Power Vacuum Tube from Japan

Multi-cavity vacuum tube that amplifies RF signals through velocity modulation, used in particle accelerators and transmitters. Classified HTS 8540.89.00.80 as other vacuum tubes for high-power applications.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

• Specify cavity count, frequency, and power rating to confirm vacuum tube status

• Radiation safety certification required for accelerator applications