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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AT3H7B-CuH-S


3.75kV 50mA 200mV@1mA,10mA 1 6V 1.2V DC SSOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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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.

AOTE 17627
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AUD 0.0629
Multiples of: 10

EL3H4(A)(TB)-VG


Transistor Output Optocouplers Optocoupler
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Everlight 17464
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AUD 0.1414
Multiples of: 5

ELD207(TA)


Transistor Output Optocouplers Optocouplers
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Everlight 17460
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AUD 0.65
Multiples of: 2000

EL816S1(D)(TU)-F


DIP Optocouplers SMD-4 RoHS
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Everlight 17450
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AUD 0.0803
Multiples of: 10

EL817S1(A)(TU)-FV


SOP-4 Transistor Output Optocoupler ROHS
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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.

Everlight 17353
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AUD 0.0876
Multiples of: 5

MOC3042M


1 5000V 100mA 60mA 400V 1000V/us 1.5V Internal oscillator included Two-way thyristor -55℃~+100℃ DIP-6 Optocouplers - Thyristor Signal Output ROHS
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Youtai 17316
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AUD 0.192
Multiples of: 2

IL4208-X007


Triac & SCR Output Optocouplers Phototriac Output, Low Input Current
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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.

Vishay 17272
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AUD 2.9937
Multiples of: 1

PC817X3NSZ2B


Optocouplers DIP-4 RoHS
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Sharp 17154
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AUD 0.1046
Multiples of: 5

EL827S1(TA)


Transistor Output Optocouplers Optocoupler Dual Ch Transistor DC Input
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Everlight 15432
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AUD 0.3148
Multiples of: 5

FOD814A300W


Optoisolator Transistor Output 5000Vrms 1 Channel 4-DIP
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ON Semiconductor 15166
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AUD 0.2103
Multiples of: 1

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