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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VO615A-4X018T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SMD4
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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 : 1579
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USD 0.1089

Multiples of: 1

APV2121S


Photodiode Output Optocouplers Driver 4-pin SOP Driver 4-pin SOP
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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.

Panasonic Availability : 1577
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USD 0.8998

Multiples of: 1

EL3063M-V


60mA 600V 1.5V DIP-6 Triac, SCR Output Optoisolators 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 : 1576
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USD 0.1988

Multiples of: 5

TIL113M


Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-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.

ON Semiconductor Availability : 1575
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USD 0.242

Multiples of: 1

FODM217CR2V


Optoisolator Transistor Output 3750Vrms 1 Channel 4-SOP
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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 : 1571
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USD 0.1958

Multiples of: 1

CNY17F-3X007


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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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 : 1568
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USD 0.2266

Multiples of: 1

LTV-247-G


SOP-16 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.

Lite-On Availability : 1567
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USD 0.3506

Multiples of: 1

VOM618A-1T


Transistor Output Optocouplers Phototransistor Out CTR 40-80% 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 : 1566
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USD 0.1386

Multiples of: 1

MOC8050VM


Transistor Output Optocouplers Optocoupl DC-In 1-Ch DC-Out 6-Pin
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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 : 1564
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USD 0.2706

Multiples of: 1

ACPL-217-50CE


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 Availability : 1564
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USD 0.3514

Multiples of: 1

VOH1016AB-T


High Speed Optocouplers 1MBps Schmitt-Trigr SMD-6
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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 : 1564
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USD 0.3861

Multiples of: 1

4N37-X007


Transistor Output Optocouplers Phototransistor Out Single CTR>100%
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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 : 1563
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USD 0.2666

Multiples of: 1

EL357N(C)(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 Availability : 1562
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USD 0.1582

Multiples of: 1

ILD610-1


Transistor Output Optocouplers Phototrnstr Dual Ch 40-80% 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.

Vishay Availability : 1559
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USD 0.9971

Multiples of: 1

4N35-X019T


Transistor Output Optocouplers Phototransistor Out Single CTR>100%
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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 : 1553
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USD 0.2904

Multiples of: 1

AT4N25-CuH-D


100mA 5kV 300mV@2mA,50mA 1 6V 1.2V DC DIP-6 Transistor, Photovoltaic Output Optoisolators 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.

AOTE Availability : 1552
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USD 0.121

Multiples of: 5

MOC3053M


100mA 60mA 600V 1.18V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators 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.

AOTE Availability : 1552
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USD 0.1705

Multiples of: 5

PS2513L-1-F3-A


Transistor Output Optocouplers SGL Tr LW Input 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 Availability : 1552
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USD 0.4385

Multiples of: 1

TLP292-4(V4-TP,E


Transistor Output Optocouplers 4ch Transistor opto coupler
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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 : 1552
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USD 0.6039

Multiples of: 1

CNY65ST


Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 50-300%
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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 : 1552
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USD 1.21

Multiples of: 1

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