Phototransistors

Phototransistors are semiconductor devices that convert light into electrical signals. They are similar to regular transistors in the sense that they both employ an amplifier and two electrodes, with the dividing line between them allowing current to flow through. However, unlike regular transistors, phototransistors use a light source rather than an electric power source to control the flow of current. When light shines on the phototransistor, it creates a voltage differential between the base and collector electrodes that can be used to control the current that flows through the device. Phototransistors are often used in light-sensing applications, such as automatic door openers, fire alarms, and robotics.
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(Ex. GST)(▲▼)		Enter Qty ProductPackage / CaseMaximum Power DissipationMaximum On-State Collector CurrentMaximum Dark CurrentMounting StylePeak WavelengthOperating Supply VoltageCollector- Emitter Voltage VCEO MaxCollector-Emitter Breakdown VoltageCollector-Emitter Saturation VoltageDark CurrentRise TimeFall TimePd - Power DissipationMinimum Operating TemperatureMaximum Operating TemperatureSeriesQualification
  
                       
Hot TEKT5400S


Phototransistors Sideview 850-980nm +/-37 deg
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Vishay 26344
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AUD 0.4761
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Phototransistors  100 mA Through Hole920 nm5 V70 V 300 mV100 nA6 us8 us150 mW- 40 C+ 85 C  
PT91-21B/TR7


Phototransistors IR Phototransistor
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Everlight 25220
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AUD 0.0561
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PhototransistorsGULL W in G SMD / SMT75 mW20 mA100 nA   30 V30 V0.4 V 15 us15 us - 25 C+ 85 C  
PT42-21B-TR8


Phototransistors IR Phototransistor
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Everlight 23008
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AUD 0.0689
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PT91-21B


Phototransistors IR Phototransistor
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Everlight 20214
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AUD 0.1003
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PT928-6C(6-2)


Phototransistors
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Everlight 19409
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AUD 0.0511
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      860 nm            
PT928-6B(6-2)


Plugin,P=2.54mm Phototransistors ROHS
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Everlight 19012
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AUD 0.0604
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TEFT4300


Phototransistors T-1 875 to 1000nm +/-30 deg
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Vishay 18997
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AUD 0.1911
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PhototransistorsT - 1 50 mA Through Hole925 nm 70 V70 V0.3 V200 nA  100 mW- 40 C+ 100 C  
L-93DP3C


Phototransistor; 3mm; ?p max:940nm; 30V; 30°; Lens: transparent
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Kingbright 18298
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AUD 0.272
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IN-S85BTPT


Phototransistors Top View / 0805 / 2.0x1.3x0.8
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Inolux 18119
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AUD 0.0817
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Phototransistors0805 (2012 METRIC) 2 mA SMD/SMT    400 mV100 nA15 us15 us150 mW- 40 C+ 85 C  
PT334-6B


Phototransistors IR Phototransistor
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Everlight 16557
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AUD 0.0494
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Phototransistors                  
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