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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VO615A-4X018T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SMD4
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Vishay 1579
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AUD 0.1729
Multiples of: 1

APV2121S


Photodiode Output Optocouplers Driver 4-pin SOP Driver 4-pin SOP
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Panasonic 1577
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AUD 1.2502
Multiples of: 1

EL3063M-V


60mA 600V 1.5V DIP-6 Triac, SCR Output Optoisolators ROHS
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Everlight 1576
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AUD 0.3155
Multiples of: 5

TIL113M


Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-DIP
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ON Semiconductor 1575
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AUD 0.3841
Multiples of: 1

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
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LTV-247-G


SOP-16 Optocouplers - Phototransistor Output ROHS
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Lite-On 1567
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AUD 0.5565
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

ACPL-217-50CE


Transistor Output Optocouplers 3000Vrms 50% CTR
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Broadcom 1564
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AUD 0.5578
Multiples of: 1

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