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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VOS617AT


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 : 88985
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USD 0.1529
Multiples of: 1

PS2501L-1-F3


Transistor Output Optocouplers OPTOCOUPLER 4-PIN DIP
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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.

Renesas Availability : 88314
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USD 0.207
Multiples of: 1

TCMT1100


Transistor Output Optocouplers Phototransistor Out
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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 : 86037
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USD 0.1794
Multiples of: 1

MOC3012M


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 : 85957
Ship by Tue. 23 Jul to Mon. 29 Jul Calender.png

USD 0.286
Multiples of: 50

TCMT1600T3


Transistor Output Optocouplers AC Input, Phtotrnstr 80-300% CTR VDE
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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 : 85593
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USD 0.2499
Multiples of: 1

LTV-356T-B


Transistor Output Optocouplers P/C LTV-356T BIN B (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 Availability : 85444
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USD 0.0458
Multiples of: 5

EL3H7(D)(TA)-G


Transistor Output Optocouplers 300-600CTR 3750Vrms -55 to +110 Op Temp
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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 : 84422
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USD 0.0558
Multiples of: 10

EL3021


Triac Optocouplers DIP-6 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 : 83279
Ship by Tue. 06 Aug to Fri. 09 Aug Calender.png

USD 0.092
Multiples of: 5

TCMD1000


Transistor Output Optocouplers Photodarlington Out Single CTR >600%
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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 : 82839
Ship by Mon. 29 Jul to Wed. 31 Jul Calender.png

USD 0.2404
Multiples of: 1

EL3H4(A)(TA)-G


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 Availability : 81848
Ship by Tue. 06 Aug to Fri. 09 Aug Calender.png

USD 0.0716
Multiples of: 10

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