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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4N27M


Transistor Output Optocouplers PTR 20%, 1.5KV
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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 : 356
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USD 0.1136

Multiples of: 1

EL3H4-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 : 355
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USD 0.1359

Multiples of: 1

VOT8024AB-T1


Triac & SCR Output Optocouplers PhotoTRIAC 800V ZC SMD4 90 deg
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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 : 355
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USD 0.3366

Multiples of: 1

MOC3061VM


Triac & SCR Output Optocouplers 6Pin600V 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 : 355
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USD 0.437

Multiples of: 1

SFH615A-2X009T


Transistor Output Optocouplers H. Relblty 5300 Vrms 63-125% 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 : 355
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USD 0.3211

Multiples of: 1

ACPL-W50L-500E


Avago Technologies High Speed Optocouplers 1MBd 15000Vus
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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 : 355
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USD 1.4931

Multiples of: 1

ISP620-2X


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5.3kV; DIP8
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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.

Isocom Availability : 354
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USD 0.4817

Multiples of: 1

HCPL0700R2


Fairchild Semiconductor High Speed Optocouplers Hi Gain Optocoupler 1Ch LC Darlington
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ON Semiconductor Availability : 353
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USD 1.173

Multiples of: 1

IL420-X009


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 : 352
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USD 1.9086

Multiples of: 1

EL817S1(C)(TU)-FG


Optocouplers SMD 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 : 349
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USD 0.039

Multiples of: 10

MOC3061SR2M


Triac & SCR Output Optocouplers 6Pin600V 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 : 349
Ship by Fri. 14 Nov to Tue. 18 Nov Calender.png

USD 0.3817

Multiples of: 1

MOC3022SR2VM


Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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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 : 348
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USD 0.3128

Multiples of: 1

4N24A


Optek TT Electronics Transistor Output Optocouplers Optocoupled Isolator
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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.

TT Electronics Availability : 348
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USD 40.15

Multiples of: 1

CNY17F-1X007


Vishay Semiconductors 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 : 341
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USD 0.2376

Multiples of: 1

TLP785(GR.F(C


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.

Toshiba Availability : 341
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USD 0.2758

Multiples of: 1

14230224010


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac NZC / WE30x-4L DIP 4 Standard 400V 10mA NZC
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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.

Wurth Availability : 341
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USD 0.4785

Multiples of: 1

CNY17F1SR2M


Transistor Output Optocouplers Optocoupler Phototrans No Base
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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 : 340
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USD 0.1932

Multiples of: 1

4N35XSM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5.3kV
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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.

Isocom Availability : 340
Ship by Fri. 14 Nov to Tue. 18 Nov Calender.png

USD 0.2225

Multiples of: 1

TLP292(GB.E(T


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.

Toshiba Availability : 339
Ship by Fri. 14 Nov to Tue. 18 Nov Calender.png

USD 0.3066

Multiples of: 1

14230234110


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac NZC / WE30x-4L DIP 4 M-Type 400V 5mA NZC
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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.

Wurth Availability : 339
Ship by Fri. 14 Nov to Tue. 18 Nov Calender.png

USD 0.4785

Multiples of: 1

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