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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UPC817BG-C04-R


Optocouplers SMD-4 RoHS
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Unisonic 30147
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AUD 0.0583
Multiples of: 10

RV1S9060ACCSP-10YV#SC0


Optocoupler Push-Pull-OUT DC-IN 1-CH 5-Pin LSO T/R
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Renesas 4389
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AUD 4.3846
Multiples of: 1

PS2581L2-A


Transistor Output Optocouplers High Isolation 1-Ch
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CEL 4365
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AUD 0.5712
Multiples of: 1

Hot SFH6156-2


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 4339
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AUD 0.2137
Multiples of: 1

VOMA618A-X001T


Transistor Output Optocouplers 80Vceo 3750Vrms SOP-4 CTR 50-600
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Vishay 4115
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AUD 1.0214
Multiples of: 1

Hot H11G1M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:4.17kV; DIP6
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ON Semiconductor 3880
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AUD 0.4911
Multiples of: 1

MOC3022M


Optotriac; 5kV; Uout:400V; without zero voltage crossing driver
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Lite-On 3170
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AUD 0.2939
Multiples of: 1

CNY65ST


Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 50-300%
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Vishay 2055
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AUD 1.7757
Multiples of: 1

KB817-B


Transistor Output Optocouplers
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Kingbright 1694
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AUD 0.67
Multiples of: 1

VOM3052T


Triac & SCR Output Optocouplers 600V 10mA 1.5K DV/DT Non-Zero Crossing
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Vishay 483
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AUD 0.5704
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First...96979899100...

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