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 0.3267
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PS2802-1-F3-A


Transistor Output Optocouplers Hi-Iso Darling 1-Ch
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Renesas 1616
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AUD 0.4719
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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 2.5119
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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
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SFH6316T


High Speed Optocouplers 1Mbd Open Collector Single Channel
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Vishay 1610
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AUD 1.1263
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HCPL-7800A-500E


Operational Amplifiers Isolation 1 4.5V ~ 5.5V 100kHz (-3dB) SMD-8_6.3mm RoHS
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Broadcom 1609
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AUD 3.7993
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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
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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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FODM453R2V


Fairchild Semiconductor High Speed Optocouplers HSHigh CMR Trans Output Optocoupler
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ON Semiconductor 1606
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AUD 1.0568
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