Phototransistors

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Voltage - Collector Emitter Breakdown (Max)	Current - Collector (Ic) (Max)	Current - Dark (Id) (Max)	Wavelength	Viewing Angle	Power - Max	Mounting Type	Orientation	Operating Temperature	Package / Case

PT15-21B/TR8 SENSOR PHOTO 940NM TOP VIEW 1206 Everlight Electronics Co Ltd	109,163 In Stock	1 : ¥3.32000 Cut Tape (CT) 3,000 : ¥0.85004 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	30 V	20 mA	100 nA	940nm	-	75 mW	Surface Mount	Top View	-25°C ~ 85°C	1206 (3216 Metric)
PT15-21C/TR8 SENSOR PHOTO 940NM TOP VIEW 1206 Everlight Electronics Co Ltd	6,987 In Stock	1 : ¥3.49000 Cut Tape (CT) 3,000 : ¥0.78667 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	30 V	20 mA	100 nA	940nm	-	75 mW	Surface Mount	Top View	-25°C ~ 85°C	1206 (3216 Metric)

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Products in the phototransistor family are discrete light sensitive components which behave in similar fashion to a bipolar transistor, but use incident light instead of an electrical current applied through a device terminal to cause the device to conduct. Compared to photodiodes, phototransistors generally produce a much larger output current for the same intensity of incident light, though are slower to respond to changes in light intensity. These differences result in phototransistors being simpler to apply, but less useful for high speed operation.