APD Avalanche Photodiode Wafers from China

Germanium wafers for avalanche photodiodes providing internal gain for low-light detection. Classified 8541.49.10.10 as unmounted photosensitive wafers for LIDAR and spectroscopy.

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

Specify breakdown voltage and gain characteristics to differentiate from standard PIN diodes

Temperature coefficient data required for automotive/ aerospace qualification

Declare test die separately from production wafers for accurate duty calculation