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8540.89.00.80/Magnetron Vacuum Tube for Microwave/Mexico

Magnetron Vacuum Tube for Microwave from Mexico

A vacuum tube that generates microwave signals through velocity modulation of electrons in a magnetic field, used in radar and microwave ovens. Falls under HTS 8540.89.00.80 as an other vacuum tube not specified elsewhere in 8540. Essential component for high-power RF generation.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Include frequency range and power output specs to confirm classification as vacuum tube rather than transmitter (8525)

• Ensure export controls compliance for dual-use radar applications under BIS regulations