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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VOS628A-X001T


Transistor Output Optocouplers CTR 50-600% 1MA
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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 Availability : 81799
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USD 0.2415
Multiples of: 1

TLP291(GR-TP,SE


Toshiba Transistor Output Optocouplers 50mA 80V Gen Purp 50mA 1 Circuit
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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 Availability : 81213
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USD 0.1169
Multiples of: 5

Hot MOC3022M


Triac & SCR Output Optocouplers DIP-6 NON-ZERO TRIAC
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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 Availability : 81176
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USD 0.2665
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 Availability : 81101
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USD 0.0447
Multiples of: 10

TLP621GB-1


Optocouplers DIP-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 Availability : 80704
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USD 0.0742
Multiples of: 5

EL354N(A)(TA)-VG


Transistor Output Optocouplers Photo Transistor 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.

Everlight Availability : 78157
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USD 0.0745
Multiples of: 5

TLP2361(TPL,E(T


High Speed Optocouplers X36 PB Photocoupler Lo I/P cur 125 degC
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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 Availability : 78111
Ship by Tue. 06 Aug to Fri. 09 Aug Calender.png

USD 0.3806
Multiples of: 1

MOC3083S-TA1


Lite-On Triac & SCR Output Optocouplers Optocoupler Photrans Output No Base Conn
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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 Availability : 77892
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USD 0.1526
Multiples of: 5

EL817(C)-F


Optocouplers DIP-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.

Everlight Availability : 76397
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USD 0.0282
Multiples of: 20

MOC3043M


Optotriac; 5.3kV; Uout:400V; zero voltage crossing driver; DIP6
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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 Availability : 74544
Ship by Tue. 23 Jul to Mon. 29 Jul Calender.png

USD 0.325
Multiples of: 1000

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