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
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
9903.05.900%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; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 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