Phototransistor

A transistor that has a light-sensitive base region

A phototransistor is more sensitive than a photodiode. A common type of phototransistor is a bipolar transistor housed in a transparent casing so that the base-collector junction can sense the light. Phototransistors are used to convert light signals into amplified electrical signals. Like all the optical sensors you can access using our site, these devices are built to last by go-to manufacturers like Honeywell and Osram Opto.

Explore Phototransistor

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Optical Switches, Transmissive, Phototransistor Output SMT, 2mm Transmissive Photo
Optical Switches, Transmissive, Phototransistor Output SMT, 2mm Transmissive Photo
Optical Switches, Transmissive, Phototransistor Output SMT, 3mm Slot Transmissive Photo
Optical Switches, Transmissive, Phototransistor Output Transmissive SMT Phototransistor 5mm
Ambient Light Sensor Phototransistor Chip Silicon 550nm Automotive 2-Pin SMD T/R
Ambient Light Sensor Phototransistor Chip Silicon 570nm 2-Pin T-1 3/4
Rohs Compliant, Silicon NPN Phototransistor Photo Transistor, 880NM, 0.05A I(C)
Ambient Light Sensor Phototransistor Chip Silicon 570nm 2-Pin T-1 3/4
Op802Wsl Phototransistor, Through Hole 3-Pin TO-18 Package | Optek (TT Electronics) OP802WSL
Ambient Light Sensor Phototransistor Chip 570Nm 2-Pin T-1 | Siliconix / Vishay TEPT4400