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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FOD2741BSD


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 1939
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AUD 1.1437
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VO2223A


Triac & SCR Output Optocouplers 1 A, DIP-8 package 10-mA input trig crt
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Vishay 1939
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AUD 1.4754
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FOD8320


Logic Output Opto-couplers High Noise ImmunIty 2.5A Out Gate Drive
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ON Semiconductor 1939
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AUD 4.4524
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VOM618A-7X001T


Transistor Output Optocouplers Phototransistor Out CTR 80-160% 1mA VDE
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Vishay 1938
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AUD 0.22
Multiples of: 1

MOC3072SM


Triac & SCR Output Optocouplers Triac Driver Opto
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ON Semiconductor 1938
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AUD 0.5133
Multiples of: 1

VO4158D


Triac & SCR Output Optocouplers Zero Crossing Photo Triac 800V 1.6mA
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Vishay 1938
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AUD 2.4415
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MOC3023TVM


Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 1937
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AUD 0.3876
Multiples of: 1

H11F3SR2M


MOSFET Output Optocouplers FET Bilateral analog
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ON Semiconductor 1937
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AUD 0.9394
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LDA111STR


Transistor Output Optocouplers Optocoupler Single-Transistor
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IXYS 1936
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AUD 0.9864
Multiples of: 1

H11L2TVM


Logic Output Optocouplers Optocoupler Schmitt Trigger
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ON Semiconductor 1935
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AUD 0.6005
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