Silicon Labs EFM32 Gecko Series MCU from China
Silicon Labs EFM32 Gecko microcontrollers feature ARM Cortex-M cores with energy-efficient peripherals, integrated DC-DC converters, and low leakage logic. Classified under HTS 8542.31.00.75 for processors combined with power management and timing circuits, targeting battery-powered IoT edge nodes.
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
• Document Simplicity Studio toolchain compatibility for technical validation
• Test ESD sensitivity ratings for customs handling requirements
• Leverage USMCA for duty-free entry from qualifying North American production