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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LTV-817C


Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin
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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 : 52782
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USD 0.0324
Multiples of: 10

EL1019


Optocouplers LSOP-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 : 52467
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USD 0.0442
Multiples of: 10

EL0631(TA)


Optocouplers SMD-8 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 : 52413
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USD 0.4395
Multiples of: 5

SFH615A-4X009


Transistor Output Optocouplers Phototransistor Out Single CTR>160-320%
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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 : 51361
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USD 0.2783
Multiples of: 1

TLP2309(TPL,E)


High Speed Optocouplers 3.3V 5V Supply Volt 30V 1A 3750Vrms
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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 : 51166
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USD 0.3972
Multiples of: 1

KPC357NT0BTLD


Optocouplers SMD-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.

Cosmo Availability : 51119
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USD 0.0706
Multiples of: 5

VOS627A-X001T


Transistor Output Optocouplers CTR 50-600% 5MA
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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 : 50602
Ship by Mon. 29 Jul to Wed. 31 Jul Calender.png

USD 0.2311
Multiples of: 1

FODM8801A


Transistor Output Optocouplers OptoHiT Phototrans 75V 1-Ch CTR 160%
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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 : 50353
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USD 0.6061
Multiples of: 1

LTV-816S-TA1-D3-TX


Optocouplers SMD-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.

Lite-On Availability : 49935
Ship by Tue. 06 Aug to Fri. 09 Aug Calender.png

USD 0.0475
Multiples of: 10

TLP267J(TPR,E


Triac & SCR Output Optocouplers Photocoupler Phototriac Output
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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 : 49494
Ship by Mon. 29 Jul to Wed. 31 Jul Calender.png

USD 0.3289
Multiples of: 1

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