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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TIL113SM


Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-SMD
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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 2910
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AUD 0.3809
Multiples of: 1

AT4N32-CuH-S


100mA 5kV 1V@2mA,8mA 1 3V 1.3V DC SMD-6P Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 970
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AUD 0.1985
Multiples of: 5

MOC3021TVM


Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 970
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AUD 0.3968
Multiples of: 1000

MOC8050SR2M


Transistor Output Optocouplers Photodarlington
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ON Semiconductor 970
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AUD 0.3868
Multiples of: 1000

MCT61


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5.3kV; DIP8
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ON Semiconductor 970
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AUD 0.3889
Multiples of: 1000

4N38SM


Fairchild Semiconductor Transistor Output Optocouplers
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ON Semiconductor 970
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AUD 0.4034
Multiples of: 1

SFH6186-4X001T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 970
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AUD 0.4028
Multiples of: 1

4N33TVM


Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-DIP
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ON Semiconductor 968
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AUD 0.4137
Multiples of: 1

MOC3041S


60mA 400V 1.25V Two-way thyristor SMD Thyristor Output Optocoupler ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 931
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AUD 0.2442
Multiples of: 5

4N33SR2M


Transistor Output Optocouplers PHOTO DARL
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ON Semiconductor 526
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AUD 0.5788
Multiples of: 1

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