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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CNY64ABST


Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 80-240%
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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 : 626
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USD 1.265

Multiples of: 1

MOC3023SM


100mA 60mA 400V 1.15V Two-way thyristor SOP-6-2.54mm 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 : 625
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USD 0.1143

Multiples of: 5

AT4N32-CuH-D


100mA 5kV 1V@2mA,8mA 1 3V 1.3V 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 : 625
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USD 0.1264

Multiples of: 5

TCET4100


Transistor Output Optocouplers Phototransistor Out Quad CTR 50-600%
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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 : 625
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USD 0.7418

Multiples of: 1

PS9117A-AX


High Speed Optocouplers Hi-Speed Optocplr SO-5
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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 : 625
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USD 2.783

Multiples of: 1

MCT623S


Fairchild Semiconductor Transistor Output Optocouplers
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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 : 623
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USD 0.4806

Multiples of: 1

H11B1


Transistor Output Optocouplers Optocouplers
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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 : 620
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USD 0.315

Multiples of: 1

SFH617A-3X017T


Vishay Semiconductors 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 : 620
Ship by Mon. 17 Nov to Wed. 19 Nov Calender.png

USD 0.3806

Multiples of: 1

Hot SFH6156-2


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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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 : 619
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USD 0.2002

Multiples of: 1

FODM217D


Transistor Output Optocouplers 4 PIN TRANSISTOR OUTPUT MFP
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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 : 619
Ship by Mon. 17 Nov to Wed. 19 Nov Calender.png

USD 0.329

Multiples of: 1

HCPL-3120-560E


Logic Output Optocouplers 2.0A IGBT Gate Drive
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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 : 619
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USD 0.6597

Multiples of: 1

VO4661-X007T


High Speed Optocouplers 10Mbd High-Speed Dual CTR>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 : 618
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USD 1.452

Multiples of: 1

CNY17F4TVM


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:4.17kV; 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 : 617
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USD 0.209

Multiples of: 1

CYMOC3023S(TP1)


SOP-6 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.

OCIC Availability : 616
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USD 0.1357

Multiples of: 1

MOC3023SM


SOP-6-6.5mm Optocouplers - Thyristor Signal 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.

Youtai Availability : 615
Ship by Wed. 19 Nov to Tue. 25 Nov Calender.png

USD 0.0984

Multiples of: 5

MOC3082S


800V Two-way thyristor SMD Optocouplers - Thyristor Signal 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.

GUOXIN JIAPIN SEMICONDUCTOR Availability : 611
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USD 0.1576

Multiples of: 5

ILQ1-X009


Transistor Output Optocouplers Phototransistor Out Quad CTR > 20%
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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 : 609
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USD 1.3448

Multiples of: 1

VO207AT


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SOIC8
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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 : 608
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USD 0.2107

Multiples of: 1

CPC1302G


IXYS Integrated Circuits Transistor Output Optocouplers Dual Optocoupler High-Voltage
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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.

IXYS Availability : 607
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USD 1.551

Multiples of: 1

KMOC3023


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.

Cosmo Availability : 606
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USD 0.1188

Multiples of: 5

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