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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FOD260L


High Speed Optocouplers 10 Mbit/s S-CH 3.3V LG Output Optocoup
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ON Semiconductor 1336
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AUD 1.4694
Multiples of: 1

ILD5


Transistor Output Optocouplers Phototransistor Out Dual CTR >50%
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Vishay 1335
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AUD 1.3689
Multiples of: 1

QCPL-329J-500E


Optocouplers SO-16 RoHS
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Broadcom 1335
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AUD 3.8148
Multiples of: 1

OPI1264B


Transistor Output Optocouplers Output Photosensor Input Diode
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TT Electronics 1333
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AUD 4.0112
Multiples of: 10

PS2502L-1-A


Transistor Output Optocouplers Optocoupler 4-pin DIP
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Renesas 1332
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AUD 0.6844
Multiples of: 1

4N25-X006


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>20%
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Vishay 1328
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AUD 0.376
Multiples of: 1

MOC3061SM


Triac & SCR Output Optocouplers 6Pin600V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 1325
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AUD 0.5319
Multiples of: 1

FOD0721R2


High Speed Optocouplers High CMR, 25Mbitsec Logic Gate
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ON Semiconductor 1324
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AUD 3.45
Multiples of: 1

TLP785(GB.F(C


Transistor Output Optocouplers
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Toshiba 1323
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AUD 0.3444
Multiples of: 1

K827PH


Transistor Output Optocouplers Phototransistor Out Dual CTR 50-600%
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Vishay 1321
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AUD 1.2658
Multiples of: 1

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