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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PC817X3NSZ2B


Optocouplers DIP-4 RoHS
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Sharp 5470
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AUD 0.1689
Multiples of: 5

FODM2701


Transistor Output Optocouplers Phototransistor Output Optocoupler
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ON Semiconductor 4971
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AUD 0.2797
Multiples of: 1

HCPL0501V


Fairchild Semiconductor High Speed Optocouplers HS Optocoupler 1Ch Transistor
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ON Semiconductor 1737
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AUD 1.4567
Multiples of: 1

FODM8801BV


Transistor Output Optocouplers OptoHiT Series; Hi Temp Phototransistor
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ON Semiconductor 1735
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AUD 0.9729
Multiples of: 1

VO2631-X017T


High Speed Optocouplers 10Mbd High-Speed Dual CTR>300%
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Vishay 1734
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AUD 2.0429
Multiples of: 1

FOD8314TR2


Logic Output Opto-couplers 1.0A Output Gate Driver Optocoupler
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ON Semiconductor 1729
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AUD 0.8706
Multiples of: 1

SFH620A-2X007


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out AC-In CTR>63-200%
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Vishay 1728
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AUD 0.5635
Multiples of: 1

HCPL2630M


High Speed Optocouplers HIGHSPEED TRANSISTOR optocouplers
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ON Semiconductor 1642
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AUD 1.3843
Multiples of: 1

CYPC357(D-TP)


Optocouplers SOP-4 RoHS
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OCIC 1590
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AUD 0.0781
Multiples of: 5

CYPS2501-1(L-TP2)


SOP-4 Optocouplers - Phototransistor Output ROHS
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OCIC 1493
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AUD 0.0581
Multiples of: 10

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