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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MOC3063M


Optotriac; 5.3kV; Uout:600V; zero voltage crossing driver; DIP6
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ON Semiconductor 4888
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AUD 0.5893
Multiples of: 1

VOS615A-X001T


Transistor Output Optocouplers CTR 50-600% 10MA
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Vishay 4883
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AUD 0.2514
Multiples of: 1

LTV-715F


Transistor Output Optocouplers Optocoupler
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Lite-On 4880
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AUD 0.3178
Multiples of: 1

VOS615A-1X001T


Transistor Output Optocouplers CPLR
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Vishay 4878
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AUD 0.2514
Multiples of: 1

IS357A


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV
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Isocom 4862
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AUD 0.4756
Multiples of: 1

LTV-1003-TP1-G


SOP-4 Optocouplers - Phototransistor Output ROHS
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Lite-On 4854
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AUD 0.1541
Multiples of: 5

4N35


4N35 Series Single Channel 70 V 5300 Vrms Phototransistor Optocoupler - DIP-6
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ON Semiconductor 4850
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AUD 0.1667
Multiples of: 1

FOD817SD


Transistor Output Optocouplers 4PN DIP Photo Xstr Output Optocoupler
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ON Semiconductor 4850
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AUD 0.1706
Multiples of: 5000

SFH6156-4T


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 4850
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AUD 0.2148
Multiples of: 1000

TLP293(BLL-TPL,E


Toshiba Transistor Output Optocouplers 50mA Photocoupler 80V 3750Vrms
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Toshiba 4850
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AUD 0.2317
Multiples of: 2500

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