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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FOD817D


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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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.

ON Semiconductor 9893
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AUD 0.1313
Multiples of: 1

4N27SM


Optoisolator Transistor with Base Output 4170Vrms 1 Channel 6-SMD
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ON Semiconductor 1942
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AUD 0.289
Multiples of: 1

IL300-DEFG-X016


High Linearity Optocouplers Single Linear, High Gain, Wide Bandwidth
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Vishay 1942
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AUD 3.2343
Multiples of: 1

Hot 4N35TVM


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1940
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AUD 0.2472
Multiples of: 2000

H11A1M


Optocoupler; THT; Channels:1; Out: transistor; 4.17kV; DIP6
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ON Semiconductor 1940
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AUD 0.2375
Multiples of: 2000

MCT2EM


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; DIP6
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ON Semiconductor 1940
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AUD 0.2679
Multiples of: 1000

CNY17F2SVM


Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 1940
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AUD 0.2873
Multiples of: 1

CNY17F1TVM


Optoisolator Transistor Output 4170Vrms 1 Channel 6-DIP
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ON Semiconductor 1308
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AUD 0.284
Multiples of: 1

4N37SR2M


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1016
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AUD 0.3223
Multiples of: 1

PC817B


DIP-4 Optocouplers - Phototransistor Output ROHS
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Youtai 620
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AUD 0.0298
Multiples of: 20

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