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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SFH617A-1


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 2745
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AUD 0.4203
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FODM121GR4


Transistor Output Optocouplers 4SO TR
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ON Semiconductor 2740
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AUD 0.2741
Multiples of: 1

MOC8106SM


Transistor Output Optocouplers 6-Pin Optocoupler Phototrans No Base
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ON Semiconductor 2731
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AUD 0.3195
Multiples of: 1

VOL617A-2T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler LSOP4
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Vishay 2730
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AUD 0.2434
Multiples of: 5

HCPL-M611-500E


High Speed Optocouplers 10MBd 3750Vdc
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Broadcom 2730
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AUD 0.5789
Multiples of: 1

FODM214


Optocoupler; SMD; Ch: 1; OUT: transistor; Uinsul: 3.75kV; Uce: 80V
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ON Semiconductor 2727
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AUD 0.4844
Multiples of: 1

LTV-217D


3.75kV 50mA 200mV@1mA,10mA 1 6V 1.4V DC SSOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 2725
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AUD 0.1063
Multiples of: 5

VO615A-3X019T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SMD4
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Vishay 2720
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AUD 0.1691
Multiples of: 1

H11N1SVM


High Speed Optocouplers Optocoupler LC Schmitt Trigger
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ON Semiconductor 2720
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AUD 5.4579
Multiples of: 1

TLP2309(TPL,E(T


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 5-Pin SO T/R
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Toshiba 2716
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AUD 1.3522
Multiples of: 1

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