Ferrite Bead Core for EMI Suppression from China
Small cylindrical ferrite beads used on cables as common-mode chokes in power converters to suppress electromagnetic interference. Classified under HTS 8504.90.96.30 as ferrite inductor/transformer parts for static converters. Effective at frequencies 1 MHz to 1 GHz.
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
• Specify impedance vs. frequency curves in documentation to prove inductive function
• Ship in anti-static packaging to prevent damage claims during customs inspection
• For clip-on beads, verify they qualify as parts vs. accessories (different treatment)