Rectifier Diode Heat Sink Assembly from Mexico

A heat sink assembly integrated with high-power rectifier diodes, designed to dissipate heat in AC-DC static converters for welding equipment. Classified under HTS 8504.90.96.50 as it is an essential thermal management part of static rectifiers.

Duty Rate — Mexico → United States

10%

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

Import Tips

Provide heat dissipation ratings and diode specs in documentation to confirm static converter application

Ensure RoHS compliance labeling for electronics parts entering the US market

Avoid common pitfall of classifying as standalone heat sinks (8419.90); emphasize rectifier integration