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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APV2121S


Photodiode Output Optocouplers Driver 4-pin SOP Driver 4-pin SOP
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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.

Panasonic 1577
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AUD 1.343
Multiples of: 1

EL3063M-V


60mA 600V 1.5V DIP-6 Triac, SCR 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.

Everlight 1576
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AUD 0.3155
Multiples of: 5

VO208AT


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SOIC8
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Vishay 1576
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AUD 0.3492
Multiples of: 1

PC817XNNSZ1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANSISTOR DIP, Optoisolator Transistor Output 1 Channel
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Sharp 1573
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AUD 0.2725
Multiples of: 1

CNY172M


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 1572
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AUD 0.2681
Multiples of: 1

MOC3061M


100mA 60mA 600V 1.5V Two-way thyristor DIP-6 Optocouplers - Thyristor Signal Output ROHS
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Youtai 1571
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AUD 0.1916
Multiples of: 5

FODM217CR2V


Optoisolator Transistor Output 3750Vrms 1 Channel 4-SOP
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ON Semiconductor 1571
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AUD 0.3108
Multiples of: 1

CNY17F-3X007


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 1568
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AUD 0.3597
Multiples of: 1

VOM618A-1T


Transistor Output Optocouplers Phototransistor Out CTR 40-80% 1mA
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Vishay 1566
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AUD 0.22
Multiples of: 1

MOC8050VM


Transistor Output Optocouplers Optocoupl DC-In 1-Ch DC-Out 6-Pin
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ON Semiconductor 1564
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AUD 0.4295
Multiples of: 1

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