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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MOCD217VM


Fairchild Semiconductor Transistor Output Optocouplers 8-Pin Optocoupler LC 2Ch Phototrans
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ON Semiconductor 172
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AUD 0.4925
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FOD3150TSR2V


Logic Output Opto-couplers 1A GATE DRV OPTOCOUP 10MM SMD VDE
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ON Semiconductor 171
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AUD 1.4497
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VOT8123AD


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm DIP6; 5000V Vrms
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Vishay 170
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AUD 0.504
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HCPL-4502-000E


High Speed Optocouplers 1MBd 1Ch 16mA
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Broadcom 167
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AUD 2.7582
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EL3023-V


Triac & SCR Output Optocouplers 400PBV 5000Vrms -55 to +100 Op Temp
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Everlight 166
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AUD 0.2712
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TLP383(E(T


Transistor Output Optocouplers
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Toshiba 164
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AUD 0.4054
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CPC1302G


IXYS Integrated Circuits Transistor Output Optocouplers Dual Optocoupler High-Voltage
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IXYS 129
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AUD 2.8836
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HCPL-7840-560E


Optically Isolated Amplifiers 4.5 - 5.5 SV 8 dB
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Broadcom 102
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AUD 4.5259
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IL300-EF-X009T


High Linearity Optocouplers Single Linear High Gain Wide Bandwidth
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Vishay 22
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AUD 4.3179
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LTV-816X-C


Optocouplers DIP-4 RoHS
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Lite-On 0
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AUD 0.0648
Multiples of: 5

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