High-Thermal Copper Litz Winding Wire from China
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 — China → United States
38.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [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