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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HCPL2531SM


Fairchild Semiconductor High Speed Optocouplers
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ON Semiconductor 888
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AUD 1.4265
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SFH6750-X007T


Vishay Semiconductors High Speed Optocouplers Dual 10Mbd Hi-Speed wOptical Photodiode
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Vishay 888
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AUD 2.081
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6N137M


High Speed Optocouplers High Speed 10MBd LogicGate Output
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Lite-On 887
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AUD 0.4156
Multiples of: 1

HCNW4504-500E


Avago Technologies High Speed Optocouplers 1Ch 12mA 100mW
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Broadcom 884
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AUD 2.4838
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FOD420S


Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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ON Semiconductor 883
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AUD 3.1016
Multiples of: 1

MOC3062S


60mA 600V 1.3V Two-way thyristor SMD Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 882
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AUD 0.2472
Multiples of: 5

FOD8342TR2V


Logic Output Optocouplers 3.0AHighSpeedGateDrv OptocoupInStretchSO6
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ON Semiconductor 882
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AUD 0.9167
Multiples of: 1

HCPL2531VM


Fairchild Semiconductor High Speed Optocouplers
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ON Semiconductor 881
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AUD 1.4108
Multiples of: 1

PS2502-4-A


Transistor Output Optocouplers Hi-Iso Darling 4-Ch
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CEL 877
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AUD 2.4794
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H11L3VM


Fairchild Semiconductor Logic Output Optocouplers Optocoupler Schmitt Trigger
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ON Semiconductor 872
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AUD 0.5448
Multiples of: 1

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