STM32F103C8T6 ARM Cortex-M3 Microcontroller from China
The STM32F103C8T6 is a 32-bit microcontroller based on the ARM Cortex-M3 core, featuring 64KB Flash memory, multiple timers, and communication interfaces like UART, SPI, and I2C. It falls under HTS 8542.31.00.25 as a 32-bit controller designed for embedded applications in consumer electronics, industrial controls, and IoT devices.
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%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Ensure chips meet RoHS and REACH standards with proper material declarations
• Classify based on bit width specified in datasheet; 32-bit cores like Cortex-M3 qualify
• Avoid misclassification as general ICs (8542.39); provide technical specs to CBP