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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HMHA281


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1762
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AUD 0.2752
Multiples of: 1817

TLP293(E(T


Transistor Output Optocouplers
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Toshiba 1758
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AUD 0.3448
Multiples of: 1

4N25-X016


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>20%
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Vishay 1757
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AUD 0.4203
Multiples of: 1

MPC357D


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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MSKSEMI 1755
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AUD 0.0586
Multiples of: 10

CYPC356(B-TP)


80V 3.75kV 50mA 100mV@1mA,20mA 1 6V 1.2V DC SOP-4-2.54mm Optocouplers - Phototransistor Output ROHS
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OCIC 1692
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AUD 0.0669
Multiples of: 5

CNY17-4X009


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 1675
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AUD 0.3362
Multiples of: 1

CNY17F-2


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 1650
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AUD 0.2866
Multiples of: 1

TLP183(TPL.E(T


Optocoupler; SMD; Ch: 1; OUT: transistor; Uinsul: 3.75kV; Uce: 80V
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Toshiba 1471
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AUD 0.3427
Multiples of: 1

LTV-5314W-TP1


SMD-5 Logic Output Optocoupler ROHS
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Lite-On 1298
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AUD 0.4493
Multiples of: 1

SFH619A-X009T


Transistor Output Optocouplers Photodarlington Out Single CTR > 1000%
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Vishay 1150
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AUD 0.7003
Multiples of: 1

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