EFD30 Ferrite Core for LED Driver Transformers from China

Compact EFD30 ferrite cores for high-frequency transformers in LED lighting drivers, supporting 50-500 kHz operation with excellent thermal stability. NiZn material reduces leakage inductance. HTS 8504.90.96.10 as transformer ferrite parts.

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

Document compatibility with specific LED driver ICs and topologies

Ensure cores meet UL94V-0 flammability standards with certification

Provide frequency response curves distinguishing from RF applications