Transistors
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
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
IR Phototransistor 940nm Peak Sensitivity
Infrared phototransistor optimized for 940nm wavelength detection, commonly used in remote control receivers and proximity sensors. Classified under HTS 8541.49.70 as a photosensitive semiconductor transistor that generates collector current proportional to incident IR light.
High-Speed Phototransistor Array 4-Channel
Four-channel silicon phototransistor array with 0.5 microsecond response time for position sensing and barcode readers. Falls under HTS 8541.49.70 as photosensitive semiconductor transistors designed for high-speed light detection applications.
Phototransistor TO-18 Metal Can Package
Hermetically sealed TO-18 metal can phototransistor for military/aerospace applications requiring high reliability and temperature stability (-65°C to +125°C). HTS 8541.49.70 covers this ruggedized photosensitive semiconductor transistor.
DARLINGTON Phototransistor Dual Element
High current gain darlington connected phototransistor pair providing 10,000+ gain for low light level detection in smoke detectors and medical instruments. Falls under HTS 8541.49.70 as photosensitive transistor configuration.
Fiber Optic Phototransistor Receiver
Phototransistor optimized for plastic optical fiber (POF) 650nm transmission used in industrial data links and sensor networks. HTS 8541.49.70 classification for photosensitive semiconductor devices in fiber optic applications.
Visible Light Slot Phototransistor
Gap-type phototransistor with 3mm slot for object detection in printers, vending machines, and paper currency validators. Classified under HTS 8541.49.70 as photosensitive semiconductor transistor for interrupt sensing.
Blue Light Phototransistor 470nm Peak
Silicon phototransistor with enhanced blue light sensitivity (470nm peak) for LCD backlight monitoring and color sensing applications. HTS 8541.49.70 covers this spectrally selective photosensitive transistor.
Surface Mount Phototransistor 1206 Package
SMD 1206 package silicon phototransistor for automated PCB assembly in consumer electronics and automotive lighting control. Falls under HTS 8541.49.70 as compact photosensitive semiconductor transistor.
High Temperature Phototransistor 200°C
Wide temperature range phototransistor (-40°C to +200°C) using specialized silicon for downhole oilfield sensors and engine compartment monitoring. HTS 8541.49.70 classification for extreme environment photosensitive transistors.
Solar-Blind UV Phototransistor GaN
Gallium Nitride (GaN) phototransistor inherently solar-blind (220-280nm UVC/UVB) for flame detection and missile warning systems. Advanced material photosensitive transistor under HTS 8541.49.70.
Silicon Phototransistor T-1 3/4 Package
A silicon NPN phototransistor in a T-1 3/4 (5mm) plastic package designed to detect visible and near-IR light, converting photons into electrical current via the semiconductor base. It falls under HTS 8541.49.70 as a photosensitive semiconductor transistor used in light sensing applications like optical switches and encoders.
Ambient Light Sensor Phototransistor
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.
UV Phototransistor 365nm Detection
Ultraviolet silicon phototransistor with peak sensitivity at 365nm for flame detection, currency validation, and UV leak detection systems. Classified under HTS 8541.49.70 as a specialized photosensitive semiconductor transistor.
Miniature Phototransistor 0603 Package
Ultra-compact 0603 SMD phototransistor (1.6x0.8mm) for wearable devices, smartphones, and IoT sensors requiring minimal footprint. Classified under HTS 8541.49.70 as miniaturized photosensitive semiconductor transistor.
Reflective Optical Sensor Phototransistor
Phototransistor with integrated daylight blocking filter for reflective sensing of paper, cards, and proximity detection at 1-5mm range. HTS 8541.49.70 covers this specialized photosensitive configuration.