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

1540601NEA200 WL-STCB SMT PHOTOTRANSISTOR CHIP Würth Elektronik	9,498 In Stock	1 : ¥3.06000 Cut Tape (CT) 5,000 : ¥1.70364 Tape & Reel (TR)	WL-STCB	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	80 V	20 mA	30 nA	940nm	120°	100 mW	Surface Mount	Top View	-40°C ~ 85°C	0603 (1608 Metric)
1541201NEA400 SENSOR PHOTO 940NM TOP VIEW 1206 Würth Elektronik	1,571 In Stock	1 : ¥3.74000 Cut Tape (CT) 3,000 : ¥2.09980 Tape & Reel (TR)	WL-STCB	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	30 V	20 mA	100 nA	940nm	140°	150 mW	Surface Mount	Top View	-40°C ~ 85°C	1206 (3216 Metric)

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Phototransistors

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.