Switched-Capacitor Active Filter Chip from China
This IC uses switched-capacitor technology for precise active filtering in low-power applications like telecom. Classified in HTS 8542.39.00.20 as an active filter IC with internal clock and amplifiers. Key for anti-aliasing in ADCs.
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
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Datasheet must specify switched-capacitor active filter architecture
• Watch for temperature specs; extreme ratings might trigger 8542.39 other subheadings
• Use correct country-of-origin marking on ICs to prevent counterfeiting issues