</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
8540.89.00.80/Klystron Power Vacuum Tube/Canada

Klystron Power Vacuum Tube from Canada

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 — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Calculate with your customs valueVerify classification with AI

Import Tips

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

• Radiation safety certification required for accelerator applications