Flame Detection Phototransistor from China

Silicon phototransistor optimized for UV/IR flame spectrum detection in gas boilers and industrial furnaces. Dual-peak response at 365nm and 880nm mimics flame flicker. Safety-critical photosensitive device under 8541.49.70.80.

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

Safety certification docs (FM, UL, ATEX) required alongside technical specifications

Flame test response data essential for proving specialized photosensitive characteristics

Separate from complete flame detectors (8531.10) by documenting component status