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 AA4040P3C-P22


Phototransistors 4x4mm PHOTOTRANS RA SMD LED
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Kingbright Availability : 23
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USD 0.0191

Multiples of: 1

PhototransistorsSMD - 2 600 uA SMD/SMT  30 V30 V800 mV100 nA15 us15 us100 mW (1/10 W)- 40 C+ 85 C  
140817140310


Optoisolator Transistor Output 5000Vrms 1 Channel 4-DIP-S
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Wurth Availability : 23
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USD 0.1236

Multiples of: 1

 4 - SMD , GULL W in G               Wl - Ocpt 
140817141010


Optoisolator Transistor Output 5000Vrms 1 Channel 4-DIP-S
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth Availability : 21
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USD 0.1236

Multiples of: 1

 4 - SMD , GULL W in G               Wl - Ocpt 
140814240010


Optoisolator Transistor Output 5000Vrms 1 Channel 4-DIP-S
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Wurth Availability : 20
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USD 0.1685

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 4 - SMD , GULL W in G               Wl - Ocpt 
QSE114


Phototransistors 1mA PHOTO TRANS
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ON Semiconductor Availability : 19
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USD 0.9023

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 SIDE LOOKER    880 nm5 V30 V  100 nA8 us8 us100 mW- 40 C+ 100 CQSE114 
OP801WSL


Phototransistors Photo Transistor
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TT Electronics Availability : 15
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USD 2.86

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PhototransistorsTO - 18250 mW3 mA Through Hole  30 V30 V0.4 V 7 us7 us250 mW- 65 C+ 125 C  
Hot AM2520P3C03-P22


Phototransistors 2.5x2mm PHOTOTRANS SMD LED
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Kingbright Availability : 14
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USD 0.014

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PhototransistorsSMD - 2 1.5 mA Smd/Smt  30 V30 V0.8 V100 nA15 us15 us100 mW (1/10 w)- 40 C+ 85 C  
NTE3037


PHOTOTRANSISTOR,NPN,50M,TO-18; PHOTOTRANSISTOR,NPN,50M,TO-18
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NTE Availability : 14
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USD 5.9062

Multiples of: 1

                   
PT333-3C


Phototransistors IR Phototransistor
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Everlight Availability : 13
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USD 0.0416

Multiples of: 10

PhototransistorsT - 175 mW4 mA Through Hole940 nm 30 V30 V0.4 V100 nA15 us15 us75 mW- 40 C+ 85 C  
PT-A6-AC-5-BN-520


Phototransistor; 5mm; λp max:520nm; 60V; Lens: transparent; 50mW
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Token Availability : 11
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USD 0.4174

Multiples of: 1

           0.2 uA       
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