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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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