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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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