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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H11A1SR2M


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1940
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AUD 0.2321
Multiples of: 1000

CNY17F-3X001


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 1940
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AUD 0.2654
Multiples of: 1

4N27SM


Optoisolator Transistor with Base Output 4170Vrms 1 Channel 6-SMD
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ON Semiconductor 1940
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AUD 0.2796
Multiples of: 1

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
Multiples of: 1

SFH6106-4T


Transistor Output Optocouplers Phototransistor Out Single CTR>160-320%
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Vishay 1940
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AUD 0.2998
Multiples of: 1000

MCT9001


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5kV; Uce:55V
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ON Semiconductor 1940
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AUD 0.3754
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
Multiples of: 1

CNY117F-4


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 1940
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AUD 0.3962
Multiples of: 1

H11B1SR2M


Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-SMD
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ON Semiconductor 1940
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AUD 0.4067
Multiples of: 1000

First...181182183184185...

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