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Si5341 Any-Frequency Clock Generator from China

Skyworks Si5341 programmable clock generator IC allows adjustment of any output frequency from 100Hz to 3GHz with <1ppb accuracy via I2C/SPI. HTS 8542.39.00.70 classification for adjustable performance characteristics. Critical for telecom and test equipment timing.

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

Include frequency planning software output showing MultiSynth adjustability

Phase noise plots mandatory for customs technical review

Smallest package (32-QFN) requires moisture sensitivity declaration