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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    SFH 313 FA-34


    OSRAM Opto Semiconductors Phototransistors PHOTOTRANSISTOR
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    OSRAM 160900
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    between Fri. 15 Dec to Tue. 19 Dec
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    USD 0.2646

    Multiples of: 1

    PhototransistorsT - 1 3/4 50 mA Through Hole870 nm 70 V70 V150 mV200 nA14 us14 us200 mW- 40 C+ 100 C  
    SFH 309 FA-56


    OSRAM Opto Semiconductors Phototransistors PHOTOTRANSISTOR
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    OSRAM 83262
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    between Fri. 15 Dec to Tue. 19 Dec
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    USD 0.1946

    Multiples of: 1

    PhototransistorsT - 1 15 mA Through Hole900 nm 35 V35 V200 mV15 mA9 us9 us165 mW- 40 C+ 100 C  
    SFH 314 FA-2/3


    Phototransistors PHOTOTRANSISTOR
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    OSRAM 61818
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    USD 0.2717

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    PhototransistorsT - 1 3/4 50 mA Through Hole870 nm-70 V70 V150 mV200 nA12 us12 us200 mW- 40 C+ 100 C  
    SFH 300 FA-3/4


    Phototransistors PHOTOTRANSISTOR
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    OSRAM 54439
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    between Fri. 15 Dec to Tue. 19 Dec
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    USD 0.1994

    Multiples of: 1

    PhototransistorsT - 1 3/4 50 mA Through Hole880 nm 35 V35 V150 mV50 nA10 us10 us200 mW- 40 C+ 100 C  
    TEKT5400S


    Phototransistors Sideview 850-980nm +/-37 deg
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    Vishay 52701
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    USD 0.3489

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    SFH 309 FA-5


    Phototransistors PHOTOTRANSISTOR
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    OSRAM 50464
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    USD 0.2041

    Multiples of: 1

    PhototransistorsT - 1 15 mA Through Hole900 nm-35 V35 V200 mV15 mA8 us8 us165 mW- 40 C+ 100 C  
    VEMT2023X01


    Phototransistors Gullwing 790-970nm +/-35 deg
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    Vishay 46732
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    USD 0.2871

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    Phototransistors 100 mW50 mA100 nA   20 V20 V0.4 V   100 mW- 40 C+ 100 CVemtAec - Q101
    SFH 309 FA-4


    Phototransistors PHOTOTRANSISTOR
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    OSRAM 42190
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    USD 0.2041

    Multiples of: 1

    PhototransistorsT - 1 15 mA Through Hole900 nm-35 V35 V200 mV15 mA7 us7 us165 mW- 40 C+ 100 C  
    SFH 3310


    Phototransistors PHOTOTRANSISTOR
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    OSRAM 37617
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    USD 0.3797

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    PhototransistorsT - 1 20 mA50 nAThrough Hole570 nm 5.5 V5.5 V100 mV    - 40 C+ 100 C  
    SCM-014TBT86


    Phototransistors PHOTOTRANSISTOR SMD
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    ROHM 37087
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    USD 0.1117

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    PhototransistorsSMD - 2100 mW30 mA Smd/Smt  32 V32 V0.4 V0.5 uA  100 mW- 30 C+ 85 C