Arsenic-Doped Gallium Arsenide Wafers from China
Gallium arsenide substrates doped with arsenic for high-frequency RF and optoelectronic devices like LEDs. These compound semiconductors are in wafer/disc form for epitaxial growth. Doping qualifies them under HTS 3818.00.00 for electronics use.
Duty Rate — China → United States
50%
Rate breakdown
9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 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
Import Tips
• Declare arsenic content per EPA TSCA; special handling for toxic dopants required
• Use ESD-safe packaging; static damage common in air shipments
• Avoid classifying as scrap; provide fab-grade purity certificates