SI4735 DSP Radio Receiver from China

The Si4735 from Silicon Labs is a fully integrated AM/FM radio receiver IC with digital signal processing, I2C control, and audio DAC output. Classified under HTS 8542.39.00 as an 'other' electronic integrated circuit, despite radio functions, due to consumer electronics classification. Receives worldwide AM (153-279kHz) and FM (64-108MHz).

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
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Specify frequency coverage and RDS capability for radio receiver classification

Document audio DAC specifications and headphone driver current

Include antenna tuning requirements and digital audio interfaces