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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OR-1008


Optocouplers SMD-4 RoHS
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Orient 6256
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AUD 0.0519
Multiples of: 10

FOD4118SDV


Fairchild Semiconductor Triac & SCR Output Optocouplers Black Pkg Zero Cross Snubless Triac Drver
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ON Semiconductor 1564
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AUD 3.4414
Multiples of: 1

CNY17-4X006


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 1563
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AUD 0.3269
Multiples of: 1

4N37-X007


Transistor Output Optocouplers Phototransistor Out Single CTR>100%
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Vishay 1563
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AUD 0.4231
Multiples of: 1

ILD610-1


Transistor Output Optocouplers Phototrnstr Dual Ch 40-80% CTR
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Vishay 1559
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AUD 1.5827
Multiples of: 1

PS2513L-1-F3-A


Transistor Output Optocouplers SGL Tr LW Input COUPLR
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CEL 1552
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AUD 0.696
Multiples of: 1

CNY17F-1


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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Lite-On 1538
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AUD 0.1697
Multiples of: 1

SFH610A-3X007T


Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 1529
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AUD 0.605
Multiples of: 1

LTV-356T-B


3.75kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 1493
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AUD 0.0671
Multiples of: 10

VO615A-4X018T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SMD4
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Vishay 1467
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AUD 0.165
Multiples of: 1

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