Position Sensitive Detector Diode from China

Quadrant photodiode providing X-Y position information of light spots for laser alignment, autofocus, and tracking systems. Classified HTS 8541.49.1050 as photosensitive semiconductor diode with multiple active areas. Outputs differential currents proportional to beam position.

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

Submit position linearity and tracking accuracy specifications to prove multi-segment design

Include electrical pinout diagrams showing differential current outputs

Avoid 9031 classification by excluding position processing circuitry