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    Phototransistors

    A Phototransistor is a two-lead or three-lead semiconductor that is more sensitive than a photodiode. It senses light levels and uses them to alter currents to create an electrical signal.

    The bipolar semiconductor is can be made from silicon or another semi-conductive material.

    How do Phototransistors work?

    Once detection of light such as IR (infrared), visible light or UV (Ultraviolet) is successful, the device will alter a current flowing between an emitter and collector, depending on the light and level of intensity it receives.

    Features and Benefits

    •Reflow surface-mounting support

    •Small, ultra-thin

    •High sensitivity

    •Electromagnetic noise resistance

    •High linearity

    •Produce a higher current than photodiodes

    Where might I use a Phototransistor?

    A photo transistor can be used in many different devices and applications such as:

    • Photo interrupters

    • Industrial electronics

    • Human detection devices

    • TV

    • Air conditioning

    • Digital photo-frames

    • PCs or Laptops

    • Automatic switches (lighting equipment)

    • IP cameras

    • Security devices

    • Home electronics

    296 Products showing for Phototransistors

    Each (On a Tape of 1000)
    MYR7.512
    ams OSRAM
    Infrared, Visible Light
    12µs
    12µs
    1
    5800µA
    50nA
    16 °
    NPN
    3
    Through Hole
    TO-18
    5.6 x 5.6 x 6.2mm
    100mA
    -
    1100nm
    400nm
    400 → 1100 nm
    Each (In a Bag of 1000)
    MYR8.334
    ams OSRAM
    Infrared, Visible Light
    12µs
    12µs
    1
    5800µA
    50nA
    16 °
    NPN
    3
    Through Hole
    TO-18
    5.6 x 5.6 x 6.2mm
    100mA
    -
    1100nm
    400nm
    400 → 1100 nm
    Each (In a Bag of 1000)
    MYR7.496
    ams OSRAM
    Infrared, Visible Light
    12µs
    12µs
    1
    500µA
    50nA
    16 °
    NPN
    3
    Through Hole
    TO-18
    5.6 x 5.6 x 6.2mm
    100mA
    -
    1100nm
    400nm
    400 → 1100 nm
    Each (On a Tape of 1000)
    MYR5.493
    ams OSRAM
    Infrared, Visible Light
    12µs
    12µs
    1
    950µA
    50nA
    110 °
    NPN
    3
    Through Hole
    TO-18
    5.5 x 5.5 x 3.6mm
    100mA
    -
    1100nm
    450nm
    450 → 1100 nm
    Each (On a Tape of 1000)
    MYR1.074
    ams OSRAM
    Infrared, Visible Light
    10µs
    10µs
    1
    7700µA
    50nA
    50 °
    NPN
    2
    Through Hole
    5mm (T-1 3/4)
    5.9 x 5.9 x 9mm
    50mA
    -
    1100nm
    450nm
    450 → 1100 nm
    Each (In a Bag of 1000)
    MYR1.169
    Vishay
    Infrared
    2.3µs
    2µs
    1
    3200µA
    200nA
    60 °
    NPN
    2
    Through Hole
    T-1
    3.2 x 3.9 x 4.5mm
    50mA
    -
    1000nm
    875nm
    875 → 1000 nm
    • RS Stock No. 237-4380
    • Mfr. Part No. RPI-0451E
    Each (On a Reel of 1000)
    MYR3.933
    ROHM
    Infrared
    10µs
    10µs
    -
    10000µA
    -
    -
    -
    4
    Surface Mount
    -
    -
    -
    -
    -
    -
    -
    Each (In a Pack of 5)
    MYR6.222
    ams OSRAM
    Infrared, Ultraviolet, Visible Light
    -
    -
    1
    3.2µA
    3nA
    120 °
    NPN
    3
    Surface Mount
    DIP
    2.1 x 2.7 x 1.05mm
    20mA
    -
    970nm
    350nm
    350 → 970 nm
    Each (In a Bag of 1000)
    MYR1.321
    Vishay
    Visible Light
    -
    -
    1
    200µA
    50nA
    60 °
    -
    2
    Through Hole
    3mm (T-1)
    3.2 x 3.2 x 4.5mm
    20mA
    -
    800nm
    440nm
    440 → 800 nm
    Each (In a Pack of 10)
    MYR4.389
    onsemi
    Infrared
    50µs
    10µs
    1
    -
    100nA
    -
    -
    4
    Through Hole
    Custom 4L
    4.39 x 6.1 x 4.65mm
    0.3 (Minimum)mA
    -
    940nm
    -
    940 nm
    Each (In a Pack of 10)
    MYR4.883
    onsemi
    Infrared
    50µs
    10µs
    1
    -
    100nA
    -
    -
    4
    Through Hole
    Custom 4L
    4.39 x 6.1 x 4.65mm
    1 (Minimum)mA
    -
    940nm
    -
    940 nm
    Each (Supplied as a Tape)
    MYR2.584
    ams OSRAM
    Infrared
    14µs
    14µs
    1
    8600µA
    200nA
    80 °
    NPN
    2
    Through Hole
    5mm (T-1 3/4)
    5.9 x 5.9 x 6.9mm
    50mA
    -
    1080nm
    740nm
    740 → 1080 nm
    Each (In a Bag of 100)
    MYR4.165
    onsemi
    Infrared
    50µs
    10µs
    1
    -
    100nA
    -
    -
    4
    Through Hole
    Custom 4L
    4.39 x 6.1 x 4.65mm
    1 (Minimum)mA
    -
    940nm
    -
    940 nm
    Each (In a Bag of 100)
    MYR3.959
    onsemi
    Infrared
    50µs
    10µs
    1
    -
    100nA
    -
    -
    4
    Through Hole
    Custom 4L
    4.39 x 6.1 x 4.65mm
    0.3 (Minimum)mA
    -
    940nm
    -
    940 nm
    Each (In a Pack of 5)
    MYR3.984
    ams OSRAM
    Infrared, Ultraviolet, Visible Light
    -
    -
    1
    25µA
    3nA
    120 °
    NPN
    3
    Surface Mount
    DIP
    2.1 x 2.7 x 1.05mm
    20mA
    -
    970nm
    350nm
    350 → 970 nm
    Each (In a Bag of 5)
    MYR3.136
    Vishay
    Visible Light
    -
    -
    1
    50µA
    50nA
    ±60 °
    -
    3
    Surface Mount
    1206
    4 x 2 x 1.05mm
    20mA
    -
    800nm
    440nm
    440 → 800 nm
    Each (On a Reel of 3000)
    MYR1.34
    Wurth Elektronik
    Infrared
    -
    -
    1
    -
    100 (Collector Emitter)nA
    140 °
    NPN
    2
    Surface Mount
    1206
    3.2 x 1.6 x 1.1mm
    20mA
    -
    1100nm
    700nm
    700 → 1100 nm
    • RS Stock No. 806-1763
    • Mfr. Part No. KDT00030TR
    Each (In a Pack of 20)
    MYR2.565
    onsemi
    -
    -
    -
    1
    1100µA
    100nA
    -
    NPN
    2
    Surface Mount
    -
    1.7 x 0.8 x 0.6mm
    -
    -
    630nm
    -
    Maximum of 630 nm
    Each (In a Pack of 20)
    MYR2.945
    onsemi
    Infrared
    8µs
    8µs
    1
    -
    100nA
    25 °
    -
    2
    Through Hole
    Side Looker
    4.44 x 2.54 x 5.08mm
    1.50mA
    -
    880nm
    -
    880 nm
    Each (In a Bag of 1000)
    MYR0.839
    OSRAM Opto Semiconductors
    Infrared
    10µs
    10µs
    1
    -
    50nA
    50 °
    NPN
    2
    Through Hole
    5mm (T-1 3/4)
    5.9 x 5.9 x 9mm
    50mA
    -
    1120nm
    730nm
    730 → 1120 nm
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