GaAs Phototransistor Die from China
Gallium Arsenide (GaAs) unmounted die functioning as a photosensitive transistor for high-speed light detection. Falls under 8541.49.70.40 due to its unmounted chip form and transistor-based photosensitivity for telecom and sensing applications.
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
• Declare material composition (e.g
• GaAs) accurately as it affects duty rates and REACH compliance
• Use cleanroom shipping protocols to avoid contamination, which can lead to customs holds
• Verify export licenses from origin country for dual-use semiconductor tech