Rectifier Diode Heat Spreader from Japan
Copper-molybdenum heat spreader plate for high-power rectifier diodes in static converters. Classified as HTS 8504.90.96 part due to its role in thermal management for power rectification transformers.
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
• Certify thermal conductivity (>200 W/mK) and diode mounting compatibility
• Distinguish from semiconductor devices (8541) by emphasizing passive heat function
• High-value items need detailed invoices to match declared transformer part status