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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HCPL-3120-560E


Logic Output Optocouplers 2.0A IGBT Gate Drive
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Broadcom 619
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AUD 1.0472
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VO4661-X007T


High Speed Optocouplers 10Mbd High-Speed Dual CTR>300%
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Vishay 618
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AUD 2.3048
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CNY17F4TVM


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:4.17kV; DIP6
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ON Semiconductor 617
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AUD 0.3317
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CYMOC3023S(TP1)


SOP-6 Optocouplers - Phototransistor Output ROHS
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OCIC 616
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AUD 0.2154
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MOC3023SM


SOP-6-6.5mm Optocouplers - Thyristor Signal Output ROHS
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Youtai 615
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AUD 0.1562
Multiples of: 5

MOC3082S


800V Two-way thyristor SMD Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 611
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AUD 0.2501
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ILQ1-X009


Transistor Output Optocouplers Phototransistor Out Quad CTR > 20%
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Vishay 609
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AUD 2.1346
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VO207AT


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SOIC8
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Vishay 608
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AUD 0.3344
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CPC1302G


IXYS Integrated Circuits Transistor Output Optocouplers Dual Optocoupler High-Voltage
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IXYS 607
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AUD 2.4619
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KMOC3023


Triac Optocouplers DIP-6 RoHS
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Cosmo 606
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AUD 0.1886
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