8542.31.00.25/STM32F103C8T6 ARM Cortex-M3 Microcontroller/Mexico

STM32F103C8T6 ARM Cortex-M3 Microcontroller from Mexico

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 — Mexico → United States

0%

Rate breakdown

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