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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FOD8384R2V


Fairchild Semiconductor Logic Output Optocouplers
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ON Semiconductor 759
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AUD 4.2586
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H11N1SM


High Speed Optocouplers Optocoupler LC Schmitt Trigger
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ON Semiconductor 757
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AUD 1.1236
Multiples of: 1

TLP3825(F


MOSFET Output Optocouplers Photorelay 1.5A 200V 2500Vrms 400pF 5mA
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Toshiba 757
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AUD 6.0971
Multiples of: 1

MOC3061S


60mA 600V 1.3V Two-way thyristor SMD Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 756
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AUD 0.2498
Multiples of: 5

SL3021


SMD Optocouplers - Phototransistor Output ROHS
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SLKORMICRO 756
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AUD 0.2868
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4N35M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; DIP6
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ON Semiconductor 754
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AUD 0.197
Multiples of: 1

TCET1100G


Transistor Output Optocouplers Phototransistor Out Single CTR 50-600%
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Vishay 754
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AUD 0.2514
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LOC111P


High Linearity Optocouplers Linear Optocoupler
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IXYS 753
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AUD 2.31
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H11AA1TVM


Transistor Output Optocouplers MOT AC IN-TRANS OUT
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ON Semiconductor 751
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AUD 0.4211
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TCMT1105


Transistor Output Optocouplers Phototransistor Out
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Vishay 750
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AUD 0.2656
Multiples of: 1

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