Ambient Light Sensor Phototransistor from China
Silicon phototransistor calibrated for human eye visible spectrum (400-700nm) used in automatic backlight control for smartphones and LCD displays. HTS 8541.49.70 classification applies to this photosensitive transistor for ambient light measurement.
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
• Provide lux sensitivity curves matching human vision response to confirm ambient light application
• Distinguish from color sensors (9031.49) by proving single-channel visible light detection only