ON Semiconductor FAIRCHILD - QVE00832 - Phototransistor Infrared Emitter/ Sensor, Optical Slot Interrupter Switch.
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Vishay Intertechnology BPW77NA Phototransistor Silicon Chip, NPN Transistor, Visible Light, 850 nm 3-Pin, 5.5 mm W x 6.15 mm H x 5.5 mm L (Pack of 2): Amazon.com: Industrial & Scientific
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Texas Instruments - TIL99 - Transistor, NPN IR Phototransistor Detector, Foto Transistor, Pyrometric Sensor.
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