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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ACPL-217-56AE


Transistor Output Optocouplers 3000Vrms 50% CTR
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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 375390
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USD 0.2256
Multiples of: 3000

LTV-356T-C


Transistor Output Optocouplers P/C LTV-356T BIN C (2.0) STD. TYPE
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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.

Lite-On 357595
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USD 0.047
Multiples of: 5

PS2801C-1-F3-A


Transistor Output Optocouplers SGL Tr DC Couplr T/R versn die shrnk
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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 353906
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USD 0.3577
Multiples of: 1

HCPL-817-50BE


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 315250
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USD 0.182
Multiples of: 1

ACPL-K49T-560E


Avago Technologies High Speed 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.

Broadcom 303610
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USD 1.7963
Multiples of: 1000

PS2705A-1-F3-A


Transistor Output Optocouplers SGL Tr AC Couplr
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CEL 286061
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USD 0.3956
Multiples of: 1

EL357NB


80V 3750V 80mA 0.1V@1mA,20mA 1 6V 1.2V DC SOP-4 Optocouplers - Phototransistor Output 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 277158
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USD 0.0459
Multiples of: 10

FOD8173SD


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 240107
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USD 0.0992
Multiples of: 1

EL357C


Optocouplers SOP-4 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.

Youtai 227346
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USD 0.0519
Multiples of: 10

TLP185GB-S


Optocouplers SOP-4 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.

Youtai 222867
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between Fri. 24 May to Wed. 29 May Calender.png

USD 0.0543
Multiples of: 5

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