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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FOD3184SDV


Fairchild Semiconductor Logic Output Optocouplers 3A Out, Hi-Speed Gate Drvr Optocouplr
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ON Semiconductor 1387
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AUD 1.9045
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HCPL2611M


High Speed Optocouplers H-SPEED LOGIC GATE
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ON Semiconductor 1379
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AUD 0.8817
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HCPL-2601-000E


High Speed Optocouplers 10MBd 1Ch 5mA
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Broadcom 1376
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AUD 1.4286
Multiples of: 1

PC817X3NSZ1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANS DIP, Optoisolator Transistor Output 1 Channel
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Sharp 1375
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AUD 0.353
Multiples of: 1

RV1S9160ACCSP-100V#SC0


Photocoupler CMOS 15Mbps 3.3V/5V 5-Pin SOP Emboss T/R
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Renesas 1374
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AUD 4.3462
Multiples of: 1

FOD852300W


Optocoupler; THT; Channels:1; Out: Darlington; 5kV; DIP4
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ON Semiconductor 1372
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AUD 1.1221
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Hot PS9117A-F3-AX


High Speed Optocouplers Hi-Speed Optocplr SO-5
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Renesas 1369
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AUD 0.8827
Multiples of: 1

CNY17-2.


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 1361
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AUD 0.2775
Multiples of: 1

H11AV1AM


Transistor Output Optocouplers 0.4" Optocoupler Phototransistor
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ON Semiconductor 1361
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AUD 0.3185
Multiples of: 1

HCPL2531VM


Fairchild Semiconductor High Speed Optocouplers
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ON Semiconductor 1361
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AUD 1.3266
Multiples of: 1

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