Planar Ferrite Core for DC-DC Converter Transformers from Japan
Low-profile planar ferrite cores for high-density DC-DC converter transformers in telecommunications and datacom equipment, supporting multi-MHz switching. PCB-integrated design. Falls under HTS 8504.90.96.10 for transformer 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
• Document PCB layout compatibility and winding window dimensions
• Specify core loss data at target switching frequencies (1-5 MHz)
• Ensure thermal dissipation specifications for high-power density