Magnetron Gas-Filled Amplifier Tube from Japan
Gas-filled magnetron tubes amplify microwave signals using crossed-field electron interaction in low-pressure gas. Used in radar amplifiers, they classify as gas electron tubes under HTS 8540.89.0020.
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
• Frequency range and magnetic field specs required for proper declaration
• Distinguish from vacuum magnetrons with gas pressure documentation
• Defense Trade Controls license likely required