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.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If photovoltaic cells/solar cells
Designed primarily for power generation rather than signal detection/amplification.
If with integrated signal processing and optical filter
Advanced optical measuring instrument rather than simple photosensitive semiconductor.
If integrated into complete mobile phone mainboard
Imported as part of finished telecommunications apparatus rather than separate component.
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Import Tips & Compliance
• Provide lux sensitivity curves matching human vision response to confirm ambient light application
• Distinguish from color sensors (9031.49) by proving single-channel visible light detection only
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