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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TLP785(GB-TP6,F(C


Optocouplers SMD-4 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 : 38431
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USD 0.0664

Multiples of: 5

Hot PS2801-4-F3


Transistor Output Optocouplers OPTOCOUPLER 16-PIN SSOP
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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 : 17816
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USD 0.5707

Multiples of: 1

LTV-244


Optocouplers SO-16_4.4mm 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.

Lite-On Availability : 9654
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USD 0.619

Multiples of: 1

FOD2742BR2


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 : 9601
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USD 0.5434

Multiples of: 1

FOD4218SDV


Fairchild Semiconductor Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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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 : 9563
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USD 2.8865

Multiples of: 1

FOD8318R2


Logic Output Optocouplers 2.5A Output Current IGBT Drv 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 : 9457
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USD 4.4017

Multiples of: 750

PS2733-1-F3-A


Transistor Output Optocouplers Hi Col-Emit Dar 1-Ch
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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 : 9432
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USD 0.6875

Multiples of: 1

LTV-817S-A


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:35V
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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 : 9426
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USD 0.1067

Multiples of: 1

MOC3063S-TA


Lite-On Triac & SCR Output Optocouplers Optocoupler TRIAC
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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 : 9409
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USD 0.2124

Multiples of: 1

PC817X3NIPW


Sharp Microelectronics
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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 : 9378
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USD 0.0855

Multiples of: 5

EL814(A)


Transistor Output Optocouplers 50-150CTR 5000Vrms -55 to +110 Op Temp
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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 : 9370
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USD 0.0793

Multiples of: 5

TLP5701(D4-TP,E(T


500ns 10V~30V 20kV/us DC SO-6L-300mil Logic 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.

Toshiba Availability : 9350
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USD 0.5325

Multiples of: 1

4N35-X007T


Transistor Output Optocouplers Phototransistor Out Single CTR>100%
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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 : 8823
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USD 0.2354

Multiples of: 1

HMHAA280


Transistor Output Optocouplers aCinput 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 : 7984
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USD 0.2211

Multiples of: 1

MOC3012SR2M


Triac & SCR Output Optocouplers 6Pin 250V 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 : 6751
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USD 0.3014

Multiples of: 1

MOC3042M


Optotriac; 4.17kV; triac; DIP6; Channels:1; 1kV/µs
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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 : 6471
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USD 0.3188

Multiples of: 1

HCPL-3120-500E


Logic Output Opto-couplers 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 : 5552
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USD 0.6048

Multiples of: 1

PC457L0NIP0F


High Speed Optocouplers Photocoupler High CMR1Mbps
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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 : 3778
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USD 0.4619

Multiples of: 1

VOS618A-3X001T


Transistor Output Optocouplers 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 : 2406
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USD 0.1507

Multiples of: 1

BRT13H


Triac & SCR Output Optocouplers Phototriac Output Non-Zero Crossing
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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 : 1105
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USD 2.365

Multiples of: 1

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