Silicon Labs EFM32GG11 Gecko MCU from China
ARM Cortex-M4 with floating point, 512kB flash, 128kB RAM, LESENSE capacitive sensing, and real-time clock. HTS 8542.31.00 for energy-efficient controller with integrated features.
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
• Energy harvesting focus; document power specs
• QFN packages; moisture barrier bags required
• Medical device qualification common; biocompatibility notes