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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CNY17-2


DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP
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Isocom 48485
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AUD 0.3053
Multiples of: 65

VOS617A-X001T


Transistor Output Optocouplers CTR 50-600% 5MA
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Vishay 2977
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AUD 0.2326
Multiples of: 1

VO3053


Triac & SCR Output Optocouplers Non-Zero Crossing Photo Triac
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Vishay 2960
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AUD 0.5013
Multiples of: 1

FODM217BR2V


Transistor Output Optocouplers 4SO TR
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ON Semiconductor 2957
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AUD 0.3064
Multiples of: 1

TLP183(BLL-TPL,E


Transistor Output Optocouplers X36 PBF Trans Opto couplr 110C3750Vrms
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Toshiba 2943
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AUD 0.2827
Multiples of: 5

FOD814300


Transistor Output Optocouplers OPTO_LIGHTING
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ON Semiconductor 2872
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AUD 0.2373
Multiples of: 1

MCT6S


Transistor Output Optocouplers SO-8 DUAL PH TRAN
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ON Semiconductor 2844
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AUD 0.4337
Multiples of: 1

TLP291(GB.SE(T


Transistor Output Optocouplers PHOTOCOUPLER
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Toshiba 2786
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AUD 0.322
Multiples of: 1

TLP185(TPR,SE(T


SO-6 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2783
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AUD 0.3281
Multiples of: 5

SFH6286-2T


Transistor Output Optocouplers Phototransistor Out AC-In CTR>63-200%
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Vishay 1031
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AUD 0.708
Multiples of: 1

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