</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

UF4007 Ultrafast Rectifier from China

UF4007 ultrafast recovery diode 0.35A RMS for high-frequency converters. HTS 8541.10.00.70 low-current classification.

Duty Rate — China → United States

50%

Rate breakdown

9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
9903.05.860%Universal product exemption (U.S. note 52(b))

Import Tips

Trr <75ns ultrafast specs distinguish from standard recovery

DO-41 axial; lead form variations affect handling

High dv/dt rating documentation for switching applications