RM8 Ferrite Core Set for Flyback Transformers from China

RM8 ferrite core pairs (two halves) made from high-grade MnZn material for flyback transformers in consumer electronics like TVs and monitors. Designed for 25-200 kHz operation with optimal flux density. HTS 8504.90.96.10 classification for transformer-specific ferrites.

Duty Rate — China → United States

35%

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

Import as matched sets with gap specifications documented for proper transformer identification

Avoid mixing with inductor cores in same shipment to prevent commingling classification issues

Certify Curie temperature ratings (>200°C typical) in technical documentation