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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4N37M


Optoisolator Transistor with Base Output 1500Vrms 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.

Lite-On Availability : 5033
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USD 0.1121

Multiples of: 1

MOC3023S


Optotriac; 5kV; Uout:400V; without zero voltage crossing driver
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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 : 5018
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USD 0.1897

Multiples of: 1

LTV-702VB


Lite-On 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.

Lite-On Availability : 4995
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USD 0.1144

Multiples of: 1

SFH6286-3


Transistor Output Optocouplers Phototransistor Out Single CTR 100-320%
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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 : 4966
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USD 0.44

Multiples of: 1

4N37S


Optoisolator Transistor with Base Output 1500Vrms 1 Channel 6-SMD
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Lite-On Availability : 4956
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USD 0.1125

Multiples of: 1

4N26M


Transistor Output Optocouplers PTR 20%, 2.5KV
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Lite-On Availability : 4947
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USD 0.1122

Multiples of: 1

ACPL-W340-500E


Logic Output Opto-couplers Gate Drive Opto
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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 : 4937
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USD 0.5613

Multiples of: 1

MOC3022SR2M


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 : 4936
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USD 0.2695

Multiples of: 1

VOS617A-9T


Vishay Semiconductors Transistor Output Optocouplers CTR 130-260% 5mA
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Vishay Availability : 4916
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USD 0.1584

Multiples of: 1

PS2561D-1Y-V-A


Transistor Output Optocouplers Optocoupler 4-pin 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.

Renesas Availability : 4914
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USD 0.2764

Multiples of: 1

TLP785(BL,F)


Toshiba Transistor Output Optocouplers Photo-IC 60mA 80V 5000 Vrms 8000 Vpk
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Toshiba Availability : 4898
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USD 0.1326

Multiples of: 5

LTV-715F


Transistor Output Optocouplers Optocoupler
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Lite-On Availability : 4880
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USD 0.2002

Multiples of: 1

VOS615A-1X001T


Transistor Output Optocouplers CPLR
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Vishay Availability : 4878
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USD 0.1584

Multiples of: 1

VO617A-3


Transistor Output Optocouplers RECOMMENDED ALT 782-SFH617A-3
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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 : 4819
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USD 0.1089

Multiples of: 1

MOCD223VM


Fairchild Semiconductor Transistor Output Optocouplers 8-Pin Optocoupler 2Ch Photodarlington
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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 : 4764
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USD 0.3806

Multiples of: 1

LTV-816


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:80V
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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 : 4310
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USD 0.0924

Multiples of: 1

HCPL-181-00CE


Transistor Output Optocouplers 3750 Vrms 0.2mA
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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 : 3981
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USD 0.1887

Multiples of: 5

MOC3041SR2VM


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 : 3721
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USD 0.3674

Multiples of: 1

VOT8123AB-T


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm SMD6; 5000V Vrms
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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 : 3077
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USD 0.3168

Multiples of: 1

FOD4208SD


Fairchild Semiconductor Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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ON Semiconductor Availability : 0
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USD 1.5706

Multiples of: 1000

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