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
9903.05.860%Universal product exemption (U.S. note 52(b))
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