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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6N135S


High Speed Optocouplers High Speed 1MBd Transistor Output
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Lite-On 1940
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AUD 0.3957
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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
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MCT6SD


Transistor Output Optocouplers 8-Pin Optocoupler Dual Ch Phototrans
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ON Semiconductor 1940
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AUD 0.4384
Multiples of: 1000

TLP182(BL-TPL,E


Transistor Output Optocouplers OPTO ISOLATOR 3.75KV TRANS 6-SO 4
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Toshiba 1940
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AUD 0.4412
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H11G2SR2M


Transistor Output Optocouplers Hi Volt Photodarling
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ON Semiconductor 1940
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AUD 0.4757
Multiples of: 1000

MOC3063TVM


Optotriac; 5.3kV; Uout:600V; zero voltage crossing driver; DIP6
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ON Semiconductor 1940
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AUD 0.4861
Multiples of: 1000

VOD206T


Transistor Output Optocouplers Optocoupler SOIC8
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Vishay 1940
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AUD 0.5602
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IL1208AT


Transistor Output Optocouplers Phototransistor Out CTR 160-320%
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Vishay 1940
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AUD 0.5814
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SFH615A-4X018T


Transistor Output Optocouplers RECOMMENDED ALT 78-VO615A-4X018T
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Vishay 1940
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AUD 0.6038
Multiples of: 1

MOC3043SM


Triac & SCR Output Optocouplers SO-6 ZERO TRIAC
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ON Semiconductor 1940
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AUD 0.6054
Multiples of: 1000

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