About Phototransistors

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.

Phototransistors

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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 TEFT4300


Phototransistors T-1 875 to 1000nm +/-30 deg
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Vishay Availability : 3962450
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USD 0.121

Multiples of: 1

PhototransistorsT - 1 50 mA Through Hole925 nm 70 V70 V0.3 V200 nA  100 mW- 40 C+ 100 C  
LTR-4206E


Phototransistor; 3mm; λp max:940nm; 30V; 20°; Lens: black
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Lite-On Availability : 263191
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USD 0.0785

Multiples of: 1

 T - 1    940 nm5 V30 V  100 nA10 us10 us100 mW- 40 C+ 85 C  
SFH 313 FA-34


OSRAM Opto Semiconductors Phototransistors PHOTOTRANSISTOR
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OSRAM Availability : 147293
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USD 0.261

Multiples of: 1

PhototransistorsT - 1 3/4 50 mA Through Hole870 nm-70 V70 V150 mV200 nA14 us14 us200 mW- 40 C+ 100 CSFH 313 FA 
BPW34


Silicon Photocell Plugin RoHS
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Siemens Availability : 130950
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USD 0.3125

Multiples of: 1

      850 nm            
VEMT2500X01


Phototransistors Reverse gullwing 470-1090nm +/-15 deg
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Vishay Availability : 98940
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USD 0.1672

Multiples of: 6000

PhototransistorsREVERSE GULL W in G100 mW50 mA  850 nm 20 V20 V0.4 V1 nA  100 mW- 40 C+ 100 CVemtAec - Q101
SFH 309 FA-56


OSRAM Opto Semiconductors Phototransistors PHOTOTRANSISTOR
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OSRAM Availability : 94765
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USD 0.1804

Multiples of: 1

PhototransistorsT - 1 15 mA Through Hole900 nm-35 V35 V200 mV15 mA9 us9 us165 mW- 40 C+ 100 CSFH 309 FAAEC - Q100
PT11-21C/L41/TR8


Phototransistors IR Phototransistor
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Everlight Availability : 73881
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USD 0.0321

Multiples of: 10

Phototransistors                  
PT91-21B/TR7


Phototransistors IR Phototransistor
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Everlight Availability : 72766
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USD 0.0363

Multiples of: 20

PhototransistorsGULL W in G SMD / SMT75 mW20 mA100 nA   30 V30 V0.4 V 15 us15 us - 25 C+ 85 C  
PT91-21B/TR10


Phototransistors 940nm 15/15rf 1.9mm Z-Bend
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Everlight Availability : 62118
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USD 0.0336

Multiples of: 10

Phototransistors2.5 mm x 2 mm x 2.7 mm75 mW20 mA Smd/Smt940 nm 30 V30 V0.4 V100 nA15 us15 us75 mW- 25 C+ 85 C  
PT26-21B/CT


Phototransistors
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Everlight Availability : 61650
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USD 0.0313

Multiples of: 10

      840 nm            
PT19-21B/L41/TR8(BY)


20mA NPN 30V 75mW 100nA 940nm 0603 Phototransistors ROHS
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Everlight Availability : 51687
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USD 0.0248

Multiples of: 10

                   
PT91-21C/TR10


Phototransistors Phototransistor
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Everlight Availability : 49368
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USD 0.0475

Multiples of: 5

           100 nA       
SFH 309 FA-5


Phototransistors PHOTOTRANSISTOR
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OSRAM Availability : 47347
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USD 0.1875

Multiples of: 1

PhototransistorsT - 1 15 mA Through Hole900 nm-35 V35 V200 mV15 mA8 us8 us165 mW- 40 C+ 100 C  
PT19-21B/L41/TR8


Phototransistors 940nm Top View 0603 (1608 Metric)
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Everlight Availability : 45400
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USD 0.0238

Multiples of: 10

Phototransistors                  
PT204-6B


Phototransistors Infrared Phototransistor
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Everlight Availability : 44883
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USD 0.0311

Multiples of: 10

                   
TEKT5400S


Phototransistors Sideview 850-980nm +/-37 deg
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Vishay Availability : 43714
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USD 0.322

Multiples of: 1

Phototransistors  100 mA Through Hole920 nm5 V70 V 300 mV100 nA6 us8 us150 mW- 40 C+ 85 C  
PT12-21BTR8


Phototransistors Infrared Phototransistor
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Everlight Availability : 43494
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USD 0.0286

Multiples of: 10

Phototransistors  1.14 mA    30 V30 V0.4 V100 nA15 us15 us75 mW- 25 C+ 85 C  
PT26-21B/TR8


Phototransistors Phototransistor
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Everlight Availability : 42614
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USD 0.0347

Multiples of: 10

Phototransistors 75 mW1 mA    30 V60 V0.4 V50 nA15 us15 us75 mW- 25 C+ 85 C  
PT42-21B-TR8


Phototransistors IR Phototransistor
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Everlight Availability : 41655
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USD 0.0568

Multiples of: 5

                   
VEMT2023X01


Phototransistors Gullwing 790-970nm +/-35 deg
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Vishay Availability : 41265
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USD 0.2783

Multiples of: 1

Phototransistors 100 mW50 mA100 nA   20 V20 V0.4 V   100 mW- 40 C+ 100 CVemtAec - Q101
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