Other
Semiconductor devices (for example, diodes, transistors, semiconductor-based transducers); photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED), whether or not assembled with other light-emitting diodes (LED); mounted piezo-electric crystals; parts thereof: > Photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED): > Other: > Transistors > Other
Duty Rate (from China)
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
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 8541.49.70.80
IR Phototransistor T-1 3/4 Package
An infrared phototransistor in a T-1 3/4 (5mm) plastic package designed for object detection and remote control applications. It converts infrared light into electrical current using a photosensitive semiconductor base, functioning as a light-controlled transistor. Classified under 8541.49.70.80 as a photosensitive semiconductor device in transistor form, distinct from photovoltaic cells or LEDs.
Ambient Light Sensor Transistor ALS-PT19
A photosensitive transistor designed to measure ambient visible light levels for automatic backlight control in smartphones and displays. It features a daylight-visible spectral response mimicking human eye sensitivity, operating as a light-dependent transistor. Falls under 8541.49.70.80 as a discrete photosensitive semiconductor transistor.
Visible Light Phototransistor LTR-306
Silicon NPN phototransistor sensitive to visible spectrum (400-600nm) used in light barriers, encoders, and paper detection. Features high gain and fast response in TO-18 metal can package. HTS 8541.49.70.80 covers this discrete photosensitive transistor.
DARLINGTON Phototransistor QSD2030F
High-gain Darlington-connected phototransistor pair in surface-mount package for low-light detection in consumer electronics. Provides current gain >10,000 for ultra-sensitive applications. Classified as photosensitive transistor under 8541.49.70.80.
Side-Looking Phototransistor PT908-7C
Infrared side-looking phototransistor in 4-pin DIP package for slot sensors and reflective object detection. 940nm peak sensitivity with 45° acceptance angle. Discrete photosensitive semiconductor under HTS 8541.49.70.80.
Blue-Sensitive Silicon Phototransistor
Phototransistor with enhanced blue light response (400-500nm) for LCD backlight monitoring and color sensing. Uses special window material for short wavelength transmission. HTS 8541.49.70.80 as specialized photosensitive transistor.
Miniature Phototransistor TEMD5010X01
0201-size (0.6x0.3mm) IR phototransistor for mobile device proximity sensing and wearables. Ultra-low profile for under-display applications. Compact photosensitive transistor under 8541.49.70.80.
Flame Detection Phototransistor
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.
UV Phototransistor SG01S93
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.
High-Speed Phototransistor OP600
Red-sensitive phototransistor with 4µs response time for high-speed interruption detection in printers and copiers. TO-92 flat package with daylight blocking filter. Discrete photosensitive semiconductor device under 8541.49.70.80.