8504.90.96.42/Toroidal Wound Ferrite Core for Power Transformers/Japan

Toroidal Wound Ferrite Core for Power Transformers from Japan

A toroidal-shaped wound core made from ferrite material, pre-wound with copper magnet wire, designed specifically for incorporation into high-efficiency power transformers used in consumer electronics. It falls under HTS 8504.90.96.42 as a wound core intended for transformer assembly, featuring a closed magnetic path to minimize electromagnetic interference.

Duty Rate — Japan → United States

10%

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

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Import Tips

• Verify core specifications including winding turns, wire gauge, and material composition match transformer incorporation requirements to avoid reclassification as finished inductors

• Provide manufacturer datasheets proving the core is wound and solely for transformer assembly, as incomplete documentation often leads to duty reassessment

• Check for restrictions on electrical components from certain origins; declare insulation class and voltage rating accurately to prevent holds