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8540.89.00.80/Klystron Power Vacuum Tube/Mexico

Klystron Power Vacuum Tube from Mexico

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 — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

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

• Radiation safety certification required for accelerator applications