Bridge Rectifier Diode GBU4J from China
The GBU4J is a 4-pin silicon bridge rectifier diode rated for 600V/4A, used in AC-DC power adapters and battery chargers. It contains four diodes in one package for full-wave rectification, still classified under HTS 8541.10.00 as diodes.
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
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Count as single diode unit despite four elements; declare peak inverse voltage and RMS current ratings
• Use customs valuation based on component cost, not assembled unit price
• Package securely to prevent pin damage; include thermal characteristics data