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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LTV-815S


Optocoupler; SMD; Channels:1; Out: Darlington; 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 9952
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AUD 0.2019
Multiples of: 1

4N25SM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:7.5kV
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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.

ON Semiconductor 3880
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AUD 0.3334
Multiples of: 1000

IL4116-X007


Triac & SCR Output Optocouplers Phototriac Output 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 569
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AUD 2.9571
Multiples of: 1

TLP293-4(4LGBTRE


Toshiba Transistor Output Optocouplers 4ch Transistor opto coupler
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Toshiba 566
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AUD 1.9599
Multiples of: 1

CNY174TVM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 566
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AUD 0.3169
Multiples of: 1

LTV816D-S


5kV 50mA 400mV@1mA,1mA 1 6V 1.4V DC SOP-4-250mil Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 562
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AUD 0.0494
Multiples of: 10

MOC3083S


60mA 800V 1.3V Two-way thyristor SMD Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 557
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AUD 0.2793
Multiples of: 5

HCPL2731SM


High Speed Optocouplers HIGHSPEED TRANSISTOR OPTOCOUPLERS
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ON Semiconductor 557
Ships to you
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AUD 1.7239
Multiples of: 1

HCPL2531WV


Fairchild Semiconductor High Speed Optocouplers 1Mbits Optocoupler 2Ch HS Transistor
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ON Semiconductor 552
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AUD 1.6454
Multiples of: 1

ILD615-3


Transistor Output Optocouplers Phototransistor Out Dual CTR 100-200%
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Vishay 529
Ships to you
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AUD 1.1213
Multiples of: 1

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