Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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VO615A-X009T


Transistor Output Optocouplers H.Temp Phototrnstr 50-600% CTR 5mA
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Vishay 3354
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AUD 0.1729
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VOH1016AD-V


High Speed Optocouplers 1MBps Schmitt-Trigr DIP-6; VDE
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Vishay 3354
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AUD 0.6923
Multiples of: 1

MOC207R2VM


Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor
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ON Semiconductor 3351
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AUD 0.4051
Multiples of: 1

FODM217AV


Transistor Output Optocouplers 4SO TR
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ON Semiconductor 3350
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AUD 0.3405
Multiples of: 1

4N28


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:0.5kV; DIP6
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Lite-On 3349
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AUD 0.1711
Multiples of: 1

SFH617A-2X019


Transistor Output Optocouplers Phototransistor Out Single CTR > 63-125%
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Vishay 3347
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AUD 0.6788
Multiples of: 1

VO615A-9


Vishay Semiconductors Transistor Output Optocouplers Optocoupler DIP4
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Vishay 3339
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AUD 0.1729
Multiples of: 1

FOD0710


Logic Output Optoisolator 12.5Mbps Push-Pull, Totem Pole 3750Vrms 1 Channel 20kV/µs CMTI 8-SOIC
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ON Semiconductor 3333
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AUD 3.6325
Multiples of: 1

Hot CNY65EXI


Transistor Output Optocouplers Phototransistor Out Single CTR 50-300%
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Vishay 3319
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AUD 5.1333
Multiples of: 1

VOM618A-4X001T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out CTR 160-320% 1mA VDE
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Vishay 3315
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AUD 0.22
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