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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Hot 4N35TVM


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1940
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AUD 0.2652
Multiples of: 2000

CNY17F-3X001


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 1940
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AUD 0.2654
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ISP817X


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5.3kV; DIP4
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Isocom 1940
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AUD 0.2933
Multiples of: 1

FOD8143SD


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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ON Semiconductor 1940
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AUD 0.2951
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CNY172SR2M


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 1940
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AUD 0.319
Multiples of: 1000

Hot MOC3022M


Triac & SCR Output Optocouplers DIP-6 NON-ZERO TRIAC
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ON Semiconductor 1940
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AUD 0.3215
Multiples of: 1000

MOC3010SM


Triac & SCR Output Optocouplers SO-6 NON-ZERO TRIAC
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ON Semiconductor 1940
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AUD 0.3797
Multiples of: 1000

CNY17F-2X016


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 1940
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AUD 0.3825
Multiples of: 1

PS2561L-1-F3-A


CEL Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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CEL 1940
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AUD 0.3859
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6N138M


High Speed Optocouplers Darlington 100KBd Transistor Output
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Lite-On 1940
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AUD 0.394
Multiples of: 1

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