High-Thermal Copper Litz Winding Wire from Mexico
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 — Mexico → United States
13.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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