Float Zone Crystal Grower RF Coil from Mexico
Radio frequency induction coil used in float zone furnaces to produce high-purity silicon crystals by localized melting without crucibles. Classified under HTS 8431.49.10.80 as a component of heading 8426 semiconductor processing machinery. Critical for zone refining in wafer boule production.
Duty Rate — Mexico → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) of U.S. note 16 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Include technical specs proving RF frequency compatibility with float zone systems; declare as semiconductor-specific to qualify for chapter 84; watch for anti-dumping duties on certain induction components