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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VOS618A-8T


Vishay Semiconductors Transistor Output Optocouplers CTR 130-260% 1mA
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Vishay 18062
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AUD 0.2986
Multiples of: 1

FODM2705R2


Transistor Output Optocouplers AC In Photo Xsistor Output Optocoupler
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ON Semiconductor 17840
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AUD 0.291
Multiples of: 1

LTV-814S-TA1-B


SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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Lite-On 17707
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AUD 0.146
Multiples of: 5

VO617A-4X007T


Transistor Output Optocouplers H. Relblty 5300 Vrms 160-320% CTR
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Vishay 17674
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AUD 0.1828
Multiples of: 1

TCET1102G


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 17647
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AUD 0.2404
Multiples of: 1

PVI5050NPBF


Photodiode Output Optocouplers 1 Form A Photo Voltaic Isolator
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Infineon 17428
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AUD 3.171
Multiples of: 1

EL817C-G


Transistor Output Optocouplers Optocoupler Transistor DC Input
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Everlight 15413
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AUD 0.0731
Multiples of: 10

LTV-817


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:35V
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Lite-On 8236
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AUD 0.1264
Multiples of: 1

4N25


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:1.5kV; DIP6
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Lite-On 5392
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AUD 0.1651
Multiples of: 1

4N35S-TA1


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.55kV
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Lite-On 2570
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AUD 0.1494
Multiples of: 5

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