Klystron Tube Electron Gun from Japan
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 — 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
• 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