New

Ask Wove anything about tariffs.

Try Tariff Assistant

Switching Power Supply PCB from Japan

Printed circuit board populated with components for switching regulators in static converters. Classified under HTS 8504.90.96 as a dedicated part for electrical transformers and power conversion circuits.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

• Submit circuit schematics demonstrating power conversion topology to confirm classification

• Avoid declaring as 'general PCBs' (8534); specify transformer/converter end-use explicitly

• Batch imports require consistent valuation per board to prevent customs disputes