UV Phototransistor SG01S93 from China
Ultraviolet-sensitive phototransistor with peak response at 365nm for flame detection, UV leak monitoring, and sterilization equipment. The silicon NPN transistor converts UV radiation into amplified collector current. Classified in 8541.49.70.80 as other photosensitive transistors beyond visible/IR spectrum.
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
• Include UV transmission test data proving sensitivity below 400nm to justify photosensitive classification
• Separate from optocouplers (8541.40) by documenting single-element construction without opposing emitter