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
  
                       
140814243100


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 : 2365
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USD 0.1755
Multiples of: 1500

 4 - SMD , GULL W in G               Wl - Ocpt 
PT67-21C/L41/TR8


Phototransistors IR Phototransistor
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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.

Everlight Availability : 2337
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USD 0.0948
Multiples of: 1

                   
1541411NEA210


Phototransistors WL-STTB SMT Phototransistor Top
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Wurth Availability : 2312
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USD 0.2825
Multiples of: 1

Phototransistors3.5 mm x 2.8 mm 20 mA Smd/Smt  35 V  100 nA  150 mW- 40 C+ 85 CWl - Sbrw 
QSB363


Phototransistors T-3/4 PHOTO SENSOR
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ON Semiconductor Availability : 2301
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USD 0.2041
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PhototransistorsT - 3/475 mW1.5 mA Smd/Smt940 nm 30 V30 V0.4 V100 nA15 us15 us75 mW- 40 C+ 85 CQsb363 
SML-810TBT86


ROHM Semiconductor Phototransistors PHOTOTRANSISTOR
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ROHM Availability : 2289
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USD 0.169
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PhototransistorsSMD - 2 30 mA Smd/Smt  32 V5 V400 mV500 nA  80 mW- 30 C+ 85 CSml - 810Tb 
OP505B


Phototransistors Narrow Rcvng Angle 935nm
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TT Electronics Availability : 2285
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USD 0.7026
Multiples of: 1

PhototransistorsT - 1100 mW5.95 mA100 nAThrough Hole935 nm 30 V30 V0.4 V   100 mW- 40 C+ 100 C  
XYC-PT3212D25-A1


450uA NPN 70mW 30V 100nA 940nm SMD,2.5x3.2mm Phototransistors ROHS
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Newopto Photoelectric Availability : 2250
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USD 0.0413
Multiples of: 10

      940 nm            
PT-B1-DC-0603-940


Phototransistor; Dim:1.6x0.8x0.8mm; λp max:940nm; 30V; 70mW
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Token Availability : 2250
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USD 0.1596
Multiples of: 1

           0.1 uA       
OPS693


Phototransistors LED/Sensor Matched Pair
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TT Electronics Availability : 2240
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USD 1.6
Multiples of: 1

PhototransistorsSIDE LOOKER100 mW  Through Hole  30 V30 V0.4 V100 nA  100 mW- 40 C+ 100 COps69x 
1541411NBA210


Phototransistors WL-STTW SMT Phototransistor Top
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Wurth Availability : 2219
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USD 0.2813
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Phototransistors3.5 mm x 2.8 mm 20 mA Smd/Smt  35 V  100 nA  150 mW- 40 C+ 85 CWl - Sbrw 
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