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Vishay TEPT4400 570 nm 60 ° 100 mW 2 Pins T-1 (3mm) Phototransistor

Vishay
Standard range
Order Code:

65-4449

Brand: Vishay MPN: TEPT4400
Qty Unit Price (Ex VAT)
5+ £0.518
10+ £0.324
100+ £0.231
500+ £0.214
Price per unit {{ IncVat ? 'Inc' : 'Ex' }} VAT
Order in multiples of 5
2,217 in stock, despatched same dayAdditional quantity lead time 4 months

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
Manufacturers Part TEPT4400
Peak Sensitivity 570nm
Power Dissipation 100mW
Spectral Bandwidth 440 ~ 800nm

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