Klystron Tube Electron Gun from Canada
Precision electron gun for klystron microwave tubes used in particle accelerators and broadcasting transmitters. HTS 8540.99.4000 covers it as a component for microwave tubes under 8540.71-79. Features high-voltage cathode for focused beam emission.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include klystron model compatibility data to substantiate 8540.71-79 linkage
• High-voltage components require safety test certifications for customs clearance
• Watch for dual-use restrictions in scientific applications; prepare export control docs