Magnetron Gas-Filled Amplifier Tube from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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