About Phototransistors

On Semiconductor 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
  
                       
QSD124


Phototransistors 6mA PHOTO TRANS
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ON Semiconductor 3142
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USD 0.3226
Multiples of: 1

 T - 1 3/4100 mW 100 nA   30 V   7 us7 us - 40 C+ 100 CQsd124 
QSB363


Phototransistors T-3/4 PHOTO SENSOR
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ON Semiconductor 2301
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USD 0.1978
Multiples of: 1

PhototransistorsT - 3/475 mW1.5 mA Smd/Smt940 nm 30 V30 V0.4 V100 nA15 us15 us75 mW- 40 C+ 85 CQsb363 
QSB363ZR


Phototransistor; 2mm; λp max:940nm; 5V; 24°; Variant: axial
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ON Semiconductor 2095
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USD 0.2271
Multiples of: 1

                   
QTLP610CPDTR


Phototransistors Right Angle Phototransistor
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ON Semiconductor 1940
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USD 0.4549
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Phototransistors 75 mW0.5 mA    30 V30 V0.4 V100 nA15 us15 us75 mW- 25 C+ 85 CQtlp610 
KDT00030ATR


Phototransistors Phototransistor Photo Detector
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ON Semiconductor 1626
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USD 0.2553
Multiples of: 1

PhototransistorsCHIP - LED  40 nA   6 V 4.6 V    - 40 C+ 85 CKdt00030 
QSD123A4R0


Fairchild Semiconductor Phototransistors Phototrans IR Chip NPN Transistor 880nm
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ON Semiconductor 1144
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USD 0.2749
Multiples of: 1

 T - 1 3/4100 mW16 mA100 nA 880 nm5 V5 V 0.4 V 7 us7 us100 mW- 40 C+ 100 CQsd123 
QSD124A4R0


Phototransistors QSD124 T-R
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ON Semiconductor 1115
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USD 0.2565
Multiples of: 1

 T - 1 3/4100 mW 100 nA   30 V   7 us7 us - 40 C+ 100 CQsd124 
QSD123


Phototransistor; 5mm; λp max:880nm; 30V; 24°
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ON Semiconductor 970
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USD 0.2509
Multiples of: 250

                   
QSE114


Phototransistors 1mA PHOTO TRANS
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ON Semiconductor 390
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USD 0.2686
Multiples of: 1

 SIDE LOOKER100 mW 100 nA   30 V   8 us8 us - 40 C+ 100 CQse114 
Hot QSB363GR


Phototransistors Phototransistor Si Infrared
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ON Semiconductor 271
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USD 0.1227
Multiples of: 1

 T - 3/475 mW 100 nA 940 nm5 V30 V   15 us15 us75 mW- 25 C+ 85 CQsb363 
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