High-Purity Alumina Submount Insulator from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Thermal impedance and DBC compatibility data
• JEDEC JESD51 thermal testing documentation
• Avoid 8542 IC packaging classification