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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HCPL0639R2


High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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ON Semiconductor 867
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AUD 1.3829
Multiples of: 1

CNY17F-1X006


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 864
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AUD 0.3913
Multiples of: 1

IL4116-X007T


Triac & SCR Output Optocouplers Phototriac Output, Zero Crossing
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Vishay 864
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AUD 2.5143
Multiples of: 1

AT3020-CuH-SE


100mA 60mA 1.23V Two-way thyristor SMD-6P Triac, SCR Output Optoisolators ROHS
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AOTE 863
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AUD 0.1423
Multiples of: 5

4N25VM


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 863
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AUD 0.3253
Multiples of: 1

4N35X


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5.3kV; DIP6
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Isocom 862
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AUD 0.314
Multiples of: 1

FOD3150TV


Fairchild Semiconductor Logic Output Optocouplers DC-In 1-Ch Optocoupl Logic-Out
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ON Semiconductor 862
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AUD 1.2493
Multiples of: 1

ACPL-W61L-000E


High Speed Optocouplers 10MBd Optocoupler
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Broadcom 860
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AUD 5.1
Multiples of: 1

H11AA4TVM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler SM-DIP6 Phototransistor
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ON Semiconductor 858
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AUD 0.4746
Multiples of: 1

VOS615A-2X001T


Transistor Output Optocouplers CTR 63-125% 10MA
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Vishay 517
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AUD 0.2326
Multiples of: 1

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