Quadrant Photodiode Position Sensor from China
Four-quadrant photodiode for precise beam position detection in optical alignment systems. Falls under HTS 8541.49.10 as other photosensitive semiconductor diodes. Critical for laser positioning and tracking 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
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include position sensitivity specifications (microns) in technical data
• Mark clearly as 'position sensing diode' not tracking instrument
• Separate from any associated optics to maintain device classification