Float Zone Crystal Grower Power Supply PCA from Mexico
Printed circuit assembly providing high-frequency RF power control for float zone crystal growers that produce ultra-pure silicon ingots for semiconductor wafers. It regulates zone melting parameters critical for defect-free crystals. Falls under HTS 8473.30.11 as a PCA for heading 8471 semiconductor processing machines.
Duty Rate — Mexico → United States
25%
Rate breakdown
9903.79.0125%Semiconductor articles as provided for in subdivisions (a) and (b) of U.S. note 39 to this subchapter
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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
• Submit frequency spectrum certification for RF components to comply with FCC import regulations
• Include thermal management specifications proving suitability for high-temperature crystal growth environments
• Avoid misclassification by providing process flow diagrams showing integration with wafer manufacturing equipment