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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VOD207T


Transistor Output Optocouplers Optocoupler SOIC8
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Vishay 5278
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AUD 0.5336
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CNY17-3X016


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 3791
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AUD 0.4138
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VO615A-8X018T


Transistor Output Optocouplers H.Temp Phototrnstr 130-260 % CTR VDE
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Vishay 3790
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AUD 0.268
Multiples of: 1

FOD8001R2


Fairchild Semiconductor High Speed Optocouplers 3.3V Logic Gate with High Noise Immunity
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ON Semiconductor 3789
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AUD 1.4579
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HCPL0601R2(TOKMAS)


10Mbit/s 60ns 4.5V~26.4V 50kV/us DC SOIC-8 Optocouplers - Logic Output ROHS
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Tokmas 3783
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AUD 0.4331
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IL256AT


Transistor Output Optocouplers Phototransistor Out Single CTR >20%
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Vishay 3783
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AUD 0.7174
Multiples of: 1

CNY17F-3S


Transistor Output Optocouplers Optocoupler Phototrans
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Lite-On 3782
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AUD 0.1789
Multiples of: 1

PS2913-1-F3-AX


Transistor Output Optocouplers High Col-Emit 1-Ch
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Renesas 3771
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AUD 1.43
Multiples of: 1

VO615A-1X006


Transistor Output Optocouplers H.Temp Phototrnstr 40-80% CTR
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Vishay 3765
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AUD 0.2165
Multiples of: 1

SFH610A-2X006


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR > 63-125%
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Vishay 3762
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AUD 0.6827
Multiples of: 1

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