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RM8 Ferrite Core Set for Flyback Transformers from Japan

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 — Japan → United States

15%

Rate breakdown

9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

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