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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Global Stock ⓘ (▲▼)Price(USD) 

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MOC3041SVM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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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 : 1935
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USD 0.407

Multiples of: 1

SFH628A-4


Transistor Output Optocouplers Phototransistor Out Single CTR 160-500%
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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 : 1935
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USD 0.4494

Multiples of: 1

HMHA2801AV


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler Phototransistor
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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 : 1932
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USD 0.198

Multiples of: 1

HCPL2731M


Logic Output Opto-couplers HIGHSPEED TRANSISTOR 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 : 1932
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USD 0.9443

Multiples of: 1

TLP3122(TP,F)


MOSFET Output Optocouplers Photorelay Voff=60V Ion=1A Ron=0.25Ohm
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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 : 1932
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USD 1.7895

Multiples of: 1

PC817X3YSZW


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.

Sharp Availability : 1930
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USD 0.0692

Multiples of: 5

FOD817BS


Transistor Output Optocouplers TRANSISTOR OUTPUT SMD LEAD BEND
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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 : 1930
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USD 0.1302

Multiples of: 1

FODM214A


Transistor Output Optocouplers Single Channel AC Sensing Phototrans
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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 : 1930
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USD 0.2057

Multiples of: 1

VO217AT


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 : 1930
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 0.292

Multiples of: 1

IL300-DEFG-X001


High Linearity Optocouplers High Gain Wide Bandwidth Linear
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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 : 1930
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 2.4085

Multiples of: 1

VO617A-8


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 130-260%
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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 : 1929
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 0.1089

Multiples of: 1

VOS615A-2T


Transistor Output Optocouplers Phototransistor 63-125% CTR 10MA
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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 : 1928
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USD 0.1925

Multiples of: 1

TIL111VM


Fairchild Semiconductor Transistor Output Optocouplers 6-Pin Optocoupler Transistor 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 : 1928
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 0.3011

Multiples of: 1

TLP293-4(4LGBTRE


Toshiba 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 : 1928
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USD 0.9489

Multiples of: 1

FOD817B


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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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 : 1926
Ship by Fri. 14 Nov to Thu. 20 Nov Calender.png

USD 0.084

Multiples of: 1

VO610A-4X017T


Transistor Output Optocouplers Phototransistor Out 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 : 1926
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 0.132

Multiples of: 1

IL4218-X017


Triac & SCR Output Optocouplers Phototriac Output Low Input Current
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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 : 1926
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USD 2.3575

Multiples of: 1

FOD8384


Fairchild Semiconductor Logic 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 : 1926
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USD 3.28

Multiples of: 100

LTV-733


Transistor Output Optocouplers Optocoupler AC input
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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 : 1925
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USD 0.2374

Multiples of: 1

IL300-EF-X007


High Linearity Optocouplers Single Linear High Gain Wide Bandwidth
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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 : 1924
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 3.7605

Multiples of: 1

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