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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VO615A-6X001


Vishay Semiconductors Transistor Output Optocouplers Optocuopler DIP4
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Vishay 1604
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AUD 0.1681
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HCPL3700SV


Logic Output Optocouplers Optocoupler aC/DC to Logic
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ON Semiconductor 1604
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AUD 3.5671
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FOD8342V


Logic Output Optocouplers SO6 2.5A GD
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ON Semiconductor 1598
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AUD 0.7873
Multiples of: 1

CNY17-4S


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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Lite-On 1597
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AUD 0.1886
Multiples of: 1

IL4108-X017


Triac & SCR Output Optocouplers Phototriac Output, Zero Crossing
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Vishay 1593
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AUD 2.31
Multiples of: 1

OR-3H5-TP-G


80V 80mA 3750V 0.1V@1mA,20mA 1 6V 1.2V DC SOP-4 Optocouplers - Phototransistor Output ROHS
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Orient 1522
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AUD 0.1414
Multiples of: 5

HCPL-063N-500E


Optocoupler Logic-Out Open Collector DC-IN 2-CH 8-Pin SOIC T/R
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Broadcom 1515
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AUD 2.4053
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MCT6W


Transistor Output Optocouplers 8-Pin Optocoupler Dual Ch Phototrans
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ON Semiconductor 1488
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AUD 0.4573
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H11F1SM


MOSFET Output Optocouplers ANALOG FET
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ON Semiconductor 1432
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AUD 0.8014
Multiples of: 1

VO617A-7X017T


Transistor Output Optocouplers H. Relblty 5300 Vrms 80-160% CTR 5mA, VDE
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Vishay 1208
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AUD 0.1865
Multiples of: 1

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