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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VOH1016AB-VT


High Speed Optocouplers 1MBps Schmitt-Trigr SMD-6; VDE
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Vishay 62
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AUD 0.97
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HCPL2631WV


High Speed Optocouplers 2Ch 10MBit/s Optocpl Logic Gate Output
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ON Semiconductor 62
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AUD 2.42
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AA36F


Optocoupler; SMD; Ch: 1; OUT: MOSFET; SMD6; 36; 60V
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MGT Brightek 62
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AUD 5.94
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PS9506-AX


Optocoupler Drive Totem-Pole 1-CH 30V 1500V 8-Pin PDIP Magazine
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Renesas 60
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AUD 2.2471
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EL2631


High Speed Optocouplers High Speed Thru-Hole 10MB/s
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Everlight 60
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AUD 2.52
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RV1S9260ACCSP-10YV#SC0


Photocoupler with 8.2mm Creepage Distance DC-Input 15Mbps CMOS 3.3V/5V 5-Pin SSOP Emboss T/R
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Renesas 60
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AUD 3.3314
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MOC3042SM


Triac & SCR Output Optocouplers SO-6 ZERO TRIAC
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ON Semiconductor 59
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AUD 0.5091
Multiples of: 1

TLP5751(E


Toshiba Logic Output Optocouplers Optocoupler IGBT 1A
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Toshiba 59
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AUD 1.3891
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CPC1303GRTR


IXYS Integrated Circuits Transistor Output Optocouplers Dual Optocoupler High-Voltage
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IXYS 59
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AUD 1.76
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HCPL-2231-300E


High Speed Optocouplers 5MBd 2Ch 1.8mA
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Broadcom 47
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AUD 11.68
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