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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-photosensitive
Standard silicon power transistors without photosensitive properties fall under photosensitive-free transistor subheading.
If integrated into a hybrid circuit
Photosensitive transistors mounted on hybrid ICs are classified as hybrid integrated circuits rather than discrete devices.
If sold as complete optical sensor assembly
Complete optoelectronic sensor modules with housing and optics may classify as optical sensors instead of discrete semiconductor devices.
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Import Tips & Compliance
• Verify photosensitive characteristics with spectral response data sheets to confirm classification as photosensitive transistor vs. standard transistor (8541.41)
• Include detailed component datasheets and test reports proving light sensitivity for CBP review during entry
• Avoid misclassification as LED (8541.41-8541.49.95) by documenting transistor functionality rather than emission
Related Products under HTS 8541.49.70.80
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.