Renesas RA4M1 32-bit ARM Cortex-M4 MCU from China
Renesas RA4M1 features 48MHz Cortex-M4F, 512KB Flash, TrustZone security for functional safety applications up to SIL3/ASIL-B. HTS 8542.31.00.25 for 32-bit controller with safety 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
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Functional safety MCUs need certification documentation (IEC 61508)
• TrustZone security doesn't affect tariff classification
• Automotive MCUs; AEC-Q100 qualification verification