Klystron Gas-Loaded Reflex Tube from Japan

Gas-loaded klystron tubes use controlled gas pressure for microwave power generation in scientific accelerators. The gas affects electron velocity, qualifying as vapor electron tubes under HTS 8540.89.0020.

Duty Rate — Japan → United States

13.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Vacuum pumpdown specs must show residual operating gas pressure

Particle accelerator end-use statement may trigger EAR licensing

RF power output rating critical for classification

Klystron Gas-Loaded Reflex Tube from Japan — Import Duty Rate | HTS 8540.89.00.20