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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HCPL-315J-500E


Logic Output Opto-couplers 0.5A 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 : 76
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USD 4.3773

Multiples of: 1

CPC1943G


IXYS Integrated Circuits Triac & SCR Output Optocouplers 400V, 500mA AC Power Switch
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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 : 75
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USD 6.314

Multiples of: 1

ACPL-782T-000E


Optically Isolated Amplifiers 100kHz, 3750vrms 30ppm/C Gain Drift
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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 : 75
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USD 7.3675

Multiples of: 1

FODM121C


Transistor Output Optocouplers Full pitch MFP PhotoTrans Ouput
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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 : 74
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USD 0.1903

Multiples of: 1

ACNW3190-300E


Logic Output Opto-couplers 5.0A 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 : 74
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USD 3.934

Multiples of: 1

VO3063-X009T


Triac & SCR Output Optocouplers Phototriac ZC 1.5kVus 5mA 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 : 73
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USD 0.6291

Multiples of: 1

FOD4108SDV


Fairchild Semiconductor Triac & SCR Output Optocouplers Black Pkg Zero Cross Snubless Triac Drver
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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 : 73
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USD 1.903

Multiples of: 1

TB5128FTG(CP,EL


New Quadratic Unclassified Data QFN-48 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.

Toshiba Availability : 73
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USD 2.6076

Multiples of: 1

MOC3021S


60mA 400V 1.15V 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 : 72
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USD 0.1021

Multiples of: 5

SFH617A-1X006


Transistor Output Optocouplers Phototransistor Out Single CTR > 40-80%
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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 : 72
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USD 0.3487

Multiples of: 1

TLP104(E(T


High Speed 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.

Toshiba Availability : 72
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USD 0.994

Multiples of: 1

TLP5751(D4,E


Toshiba Logic Output Optocouplers Optocoupler IGBT 1A
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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 : 72
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USD 1.0564

Multiples of: 1

KMOC3082


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 : 71
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USD 0.1099

Multiples of: 1

SFH1690CT


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 : 70
Ship by Mon. 17 Nov to Wed. 19 Nov Calender.png

USD 0.275

Multiples of: 1

SFH615AGR-X017T


Transistor Output Optocouplers Phototransistor Out Single CTR>100-300%
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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 : 70
Ship by Mon. 17 Nov to Wed. 19 Nov Calender.png

USD 0.3192

Multiples of: 1

tlp548j


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.

Toshiba Availability : 70
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USD 2.4179

Multiples of: 1

PS2561A-1-W-A


Transistor Output Optocouplers SNGL Tr DC BSI 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 : 69
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USD 0.1709

Multiples of: 1

H11F1SM


MOSFET Output Optocouplers ANALOG FET
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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 : 69
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USD 0.5632

Multiples of: 1

6N139TVM


High Speed Optocouplers 8-Pin DIP Single-Channel Low Input Current High Gain Split Darlington Output 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.

ON Semiconductor Availability : 69
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USD 0.6699

Multiples of: 1

FOD2741ATV


Transistor Output Optocouplers Error amplifier 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.

ON Semiconductor Availability : 69
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USD 0.7578

Multiples of: 1

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