Gallium Nitride Diac Wafer from China
Unmounted GaN wafers for diac production, used in high-frequency switching circuits and surge protection devices. Classified under 8541.30.00.40 as unmounted semiconductor wafers specifically for diac devices which are bidirectional trigger thyristors. Their wide bandgap properties enable efficient operation in power electronics.
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
• Provide detailed process flow documentation proving diac-specific doping profiles; use ESD-safe shipping containers mandatory for wafers; declare precise wafer diameter and thickness for valuation purposes