STTH8R04 TVS Diode from China
STTH8R04 is an 800V ultrafast diode with TVS characteristics for surge protection. Under HTS 8541.10.0080 as a non-photosensitive diode despite transient voltage functions.
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
• Document peak pulse power rating to distinguish from standard rectifiers
• UL or IEC surge protection certifications speed customs clearance
• Avoid describing as 'TVS' if it risks misclassification as specialized protection