High-Thermal Copper Litz Winding Wire from Japan
Stranded Litz copper wire with high-thermal enamel insulation to reduce skin effect in high-frequency inductors. Falls under HTS 8544.11.00 as specialized insulated copper winding wire for 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
• Specify strand count and Litz construction in import declarations
• Provide frequency range specs to justify winding wire use
• Bundle sizes matter; large coils risk reclass as 8504 parts