Nanocrystalline Wound Core for EMI Suppression Transformers from Mexico
Nanocrystalline alloy wound core designed for common-mode EMI suppression transformers in power lines and switchgear. Falls under HTS 8504.90.96.42 specifically as a wound core for transformer incorporation, offering superior noise attenuation.
Duty Rate — Mexico → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) 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
• Include EMI attenuation test reports (>40dB at 150kHz) proving suppression transformer application
• Specify nanocrystalline ribbon thickness and mu value for material verification against steel cores
• Register for transformer parts drawback programs if re-exported in finished assemblies