Low-ESR Etched Foil for SMD Capacitors
Precision-etched aluminum foil for surface-mount device (SMD) electrolytic capacitors, optimized for low equivalent series resistance (ESR) in consumer electronics. Fits HTS 7607.19.10.00 criteria: unbacked, ≤0.2 mm thick, etched capacitor foil. Used in smartphones, laptops, and LED drivers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If backed for retail packaging
Retail-backed foil for capacitors shifts to 7607.20 backed category.
If in coil form >0.2 mm thick
Thicker bars/rods/profiles classify separately from thin foils.
If copper-clad after etching
Cladding with other metals like copper moves to Chapter 74 articles.
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Import Tips & Compliance
• Document ESR values and SMD compatibility; ensure no plastic backing
• Common issue: undervaluation based on weight—use capacitance per gram metrics for fair valuation
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