Float Zone Crystal Furnace RF Coil from China
Radio frequency induction coil for float zone crystal growth furnaces that melt and purify semiconductor material without crucibles. Classifies under HTS 8473.50.9000 as a part for semiconductor machines in 8471. Enables zone refining for ultra-pure silicon.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• FCC compliance certification required for RF components; provide thermal/electrical specs; ensure copper purity documentation for high-frequency use