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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CNY174SR2M


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 1616
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AUD 0.3475
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IL420-X001


Triac & SCR Output Optocouplers Phototriac Output Low Input Current
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Vishay 1616
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AUD 2.6365
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CNY17F-2X001


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 1612
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AUD 0.3911
Multiples of: 1

4N37


Transistor Output Optocouplers Phototransistor Out
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Vishay 1609
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AUD 0.2863
Multiples of: 1

H11AA1-X006


Transistor Output Optocouplers Bi-Directional Input
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Vishay 1608
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AUD 0.8234
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FOD8342V


Logic Output Optocouplers SO6 2.5A GD
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ON Semiconductor 1608
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AUD 0.8975
Multiples of: 1

H11L2M


Logic Output Opto-couplers Optocoupler LC Schmitt Trigger
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ON Semiconductor 1607
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AUD 0.5378
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ACPL-330J-500E


Logic Output Optocouplers 1.5A IGBT Gate Drive
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Broadcom 1607
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AUD 3.2325
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TLP185(SE(T


Transistor Output Optocouplers
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Toshiba 1606
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AUD 0.2868
Multiples of: 1

SFH617A-2X017T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR > 63-125%
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Vishay 1605
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AUD 0.6076
Multiples of: 1

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