Molded Copper Heat Sink Base from Mexico
Die-molded copper alloy base plate for electronic heat sinks, formed without fin machining or surface finishing. Classified in HTS 7419.20.00 for molded copper articles not further worked.
Duty Rate — Mexico → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Specify thermal conductivity requirements; provide mold flow analysis if questioned; ensure no secondary milling operations