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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MOC3083


Triac & SCR Output Optocouplers 800VDRM IFT=5mA 6 Pin 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 : 6455
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USD 0.1274

Multiples of: 5

VOM3052T


Triac & SCR Output Optocouplers 600V 10mA 1.5K DV/DT 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 : 5450
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USD 0.3916

Multiples of: 1

TLP785F(GR-LF7,F(C


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP T/R
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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 : 5432
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USD 0.1213

Multiples of: 5600

LTV-849S


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 : 5431
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USD 0.384

Multiples of: 1

CNY17-4S


Optocoupler; SMD; 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.

Lite-On Availability : 5426
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USD 0.1243

Multiples of: 1

CYTLP185(GB-TP)


Optocouplers SOP-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.

OCIC Availability : 5417
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USD 0.0462

Multiples of: 5

4N37S-TA1


Optoisolator Transistor with Base Output 1500Vrms 1 Channel 6-SMD
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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 : 5373
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USD 0.1239

Multiples of: 1

TLP290(GR.SE(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 : 5359
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USD 0.2786

Multiples of: 1

VO617A


Transistor Output Optocouplers Phototransistor Out CTR 50-600%
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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 : 5335
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USD 0.1089

Multiples of: 1

PS2501-2


Optocouplers DIP-8 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.

Isocom Availability : 5335
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USD 0.2776

Multiples of: 50

TCMT1119


Transistor Output Optocouplers Phototransistor 200-400% CTR 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 : 5283
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USD 0.198

Multiples of: 1

PS2565-1-A


Transistor Output Optocouplers Hi-Iso AC Input 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.

CEL Availability : 5266
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USD 0.4807

Multiples of: 1

KTLP160J3 TLD


SOP-4 Optocouplers - Phototransistor 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.

Cosmo Availability : 5262
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USD 0.2143

Multiples of: 5

PS1201


IXYS Integrated Circuits Triac & SCR Output Optocouplers NO PC-Mount 1-CHANNEL SIP
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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 : 5257
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USD 3.531

Multiples of: 1

ACPL-M61L-500E


High Speed Optocouplers 10MBd 15k V/us
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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 : 5115
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USD 0.4672

Multiples of: 1

CQY80N


Transistor Output Optocouplers Phototransistor Out Single CTR >50%
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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 : 5022
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USD 0.1848

Multiples of: 1

VOS615A-X001T


Transistor Output Optocouplers CTR 50-600% 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 : 4883
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USD 0.1584

Multiples of: 1

HCPL-0630-500E


High Speed Optocouplers 10MBd 2Ch 5mA
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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 : 4739
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USD 0.8733

Multiples of: 1

MOC3021S


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 : 4675
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USD 0.1235

Multiples of: 5

SFH619A


Transistor Output Optocouplers Photodarlington Out Single CTR >1000%
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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 : 1461
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USD 0.4455

Multiples of: 1

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