This Vishay TEPT4400 3mm ambient light sensor is a silicon NPN epitaxial planar phototransistor.
It is sensitive to visible light and adapted to human eye responsivity with peak sensitivity at 570 nm.
Applications for this device includes an ambient light sensor for the control of display backlight dimming in LCD displays, and keypad backlighting of mobile devices, and in industrial on/off-lighting operation.
Diameter: Ø3mm Angle of half sensitivity: ϕ = ± 30° To find out more about our range of Vishay resistors, diodes, capacitors and switches , please visit our Vishay brand page.
Type
Phototransistor
Diameter
Ø3mm
Peak Sensitivity
570nm
Spectral Bandwidth
440 ~ 800nm
Manufacturers Part
TEPT4400
Power Dissipation
100mW
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