MOSFET Driver Wafer from China
Silicon wafer containing unmounted MOSFET driver transistor chips for low-power switching applications in power management ICs, with dissipation rates below 1W. Falls under HTS 8541.21.00.40 as unmounted transistor wafers other than photosensitive.
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
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Submit wafer maps and die specifications to confirm unmounted status and prevent misclassification
• Ensure compliance with Wassenaar Arrangement export controls for semiconductor tech
• Avoid valuation disputes by providing separate invoices for wafer vs. bumped die