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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PS2562-1-A


Transistor Output Optocouplers Hi-Iso Darling 1-Ch
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CEL 3117
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AUD 0.9289
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IS357C


Optocouplers SMD RoHS
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Isocom 3111
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AUD 0.2689
Multiples of: 1

TCET1103G


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 3109
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AUD 0.2413
Multiples of: 1

VOS628A-2X001T


Transistor Output Optocouplers AC Input, Phtotrnstr 63-125%CTR VDE
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Vishay 3105
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AUD 0.3737
Multiples of: 1

VOS618A-7X001T


Transistor Output Optocouplers CTR 80-160% 1mA
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Vishay 3105
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AUD 0.3929
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FOD420SD


Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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ON Semiconductor 3093
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AUD 3.3508
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VO615A-8X016


Transistor Output Optocouplers Optcplr 130-260% CTR 5mA DIP-4
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Vishay 3079
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AUD 0.1653
Multiples of: 1

VOT8123AB-T


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm SMD6; 5000V Vrms
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Vishay 3077
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AUD 0.5418
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IL410


Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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Vishay 3058
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AUD 2.2821
Multiples of: 1

PC817X2NSZ1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANS DIP, Optoisolator Transistor Output 1 Channel
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Sharp 1686
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AUD 0.3113
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