Switch Mode Power Supply Transformer Core from Germany
Ferrite core assembly for high-frequency transformers in switch-mode power supplies (SMPS), a static converter type. Falls under HTS 8504.90.96.50 as it is integral to the conversion process in SMPS units.
Duty Rate — Germany → 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
• Include frequency response data (kHz range) to distinguish from low-frequency transformer cores
• Use HTS advisory rulings for borderline core designs
• Bundle with winding specs if applicable to prove SMPS specificity