About Optocouplers / Photocouplers

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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PS2801C-1-F3-A


Transistor Output Optocouplers SGL Tr DC Couplr T/R versn die shrnk
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CEL 353906
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AUD 0.5677
Multiples of: 1

TLP185(GB-TPL,SE(T


Transistor Output Optocouplers
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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.

Toshiba 346239
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AUD 0.1375
Multiples of: 5

HCPL-817-500E


Transistor Output Optocouplers 5000 Vrms 50mA
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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 330770
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AUD 0.2744
Multiples of: 1

HCPL-817-50BE


Transistor Output Optocouplers 5000 Vrms 50mA
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Broadcom 315250
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AUD 0.2889
Multiples of: 1

FOD817ASD


Transistor Output Optocouplers Opto Phototransistor Output SM-DIP4
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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 314280
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AUD 0.232
Multiples of: 1000

VO617A-4X016


Vishay Semiconductors Transistor Output Optocouplers Optocuopler DIP4
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Vishay 301137
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AUD 0.1557
Multiples of: 1

EL1018(TA)-VG


Transistor Output Optocouplers Optocoupler
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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 287973
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AUD 0.0748
Multiples of: 30

PS2705A-1-F3-A


Transistor Output Optocouplers SGL Tr AC Couplr
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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.

CEL 286061
Ships to you
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AUD 0.6279
Multiples of: 1

EL1019(TA)-VG


Transistor Output Optocouplers Optocoupler
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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 281746
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AUD 0.0748
Multiples of: 30

VO615A-3X007T


Transistor Output Optocouplers Optcplr 100-200% CTR 10mA SMD-4
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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 259601
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AUD 0.184
Multiples of: 1

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