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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FODM8801AR2V


Fairchild Semiconductor Transistor Output Optocouplers 2.03 x 2.5 x 4.4mm 4 Lead Surface Mount
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ON Semiconductor 1979
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AUD 0.9161
Multiples of: 1

MPC357D


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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MSKSEMI 1755
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AUD 0.0555
Multiples of: 10

ACPL-H342-500E


Avago Technologies Logic Output Optocouplers Optocoupler
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Broadcom 1752
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AUD 1.8188
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TPC816C C9G


Transistor Output Optocouplers Photocoupler DC input 70V 50mA
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Taiwan Semiconductor 1749
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AUD 0.1173
Multiples of: 1

IL755-1X007


Vishay Semiconductors Transistor Output Optocouplers Photodarlington Out Single CTR > 750%
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Vishay 1746
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AUD 1.4058
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MOC3041TVM


Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 1743
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AUD 0.5123
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EL357N(C)(TA)-VG


Transistor Output Optocouplers Optocoupler
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Everlight 1738
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AUD 0.246
Multiples of: 1

LTV817A-V


Transistor Output Optocouplers P/C LTV817A-V STD. TYPE VDE
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Lite-On 1730
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AUD 0.2546
Multiples of: 1

VO615A-2X009T


Transistor Output Optocouplers Optocplr 63-125% CTR 10mA SMD-4
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Vishay 770
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AUD 0.165
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CNY17-3X001


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 0
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AUD 0.3394
Multiples of: 1

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