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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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

HCNR201-000E


High Linearity Optocouplers 1 Ch 60mW 25mA
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Broadcom 17411
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AUD 1.8588
Multiples of: 1

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

IL4208-X007


Triac & SCR Output Optocouplers Phototriac Output, Low Input Current
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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

CNY17-3S(TA)


Transistor Output Optocouplers 100-200CTR 5000Vrms -55 to 110 Op Temp
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Everlight 17076
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AUD 0.1851
Multiples of: 5

TLP292(GB-TPL,E


Toshiba Transistor Output Optocouplers 50mA Photocoupler 80V 3750Vrms
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Toshiba 16994
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AUD 0.2224
Multiples of: 5

HMHAA280R2


Transistor Output Optocouplers aCinput Optocoupler Phototransistor
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ON Semiconductor 16975
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AUD 0.3918
Multiples of: 2500

FODM8801AR2


Optocoupler; SMD; Channels:1; Out: transistor; 3.75kV
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ON Semiconductor 16952
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AUD 0.9572
Multiples of: 1

HCNR200-500E


High Linearity Optocouplers 1 Ch 60mW 25mA
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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.

Broadcom 16842
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AUD 1.3282
Multiples of: 1

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