Crystal Grower Control Printed Circuit Board from Mexico
Printed circuit assembly for regulating temperature and pull speed in Czochralski crystal growers used to produce monocrystalline silicon boules for semiconductor wafers. Classified under HTS 8473.30.1180 as a dedicated part for heading 8471 machines in semiconductor material growth. It interfaces sensors and actuators without CRT integration.
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 engineering drawings showing sole compatibility with crystal growers to confirm 8471 classification
• Label packages clearly as 'semiconductor equipment parts' and avoid generic 'electronics' descriptions