High-Purity Alumina Submount Insulator from China
99.9% alumina ceramic submount for power semiconductor modules, providing thermal and electrical isolation. HTS 8546.20.00 for ceramic electrical insulators in IGBT modules.
Duty Rate — China → United States
40.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Thermal impedance and DBC compatibility data
• JEDEC JESD51 thermal testing documentation
• Avoid 8542 IC packaging classification