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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HCPL-0531-500E


High Speed Optocouplers 1MBd 2Ch 16mA
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Broadcom 1127
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AUD 1.4432
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CNY17F4M


Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 1126
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AUD 0.2829
Multiples of: 1

ICPL0611


Optocouplers SOP-8 RoHS
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Isocom 1125
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AUD 1.0666
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6N137VM


Fairchild Semiconductor Logic Output Optocouplers
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ON Semiconductor 1124
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AUD 1.133
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HCPL2530M


Transistor Output Optocouplers HIGH SPEED TRANS OPTOCOUPLERS
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ON Semiconductor 1123
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AUD 1.4124
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H11D1SM


Optoisolator Transistor with Base Output 4170Vrms 1 Channel 6-SMD
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ON Semiconductor 1121
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AUD 0.4934
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TIL117SR2VM


Transistor Output Optocouplers 6-Pin Optocoupler SMT Transistor
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ON Semiconductor 1119
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AUD 0.473
Multiples of: 1

HCPL-0731-500E


High Speed Optocouplers 100kBd 2Ch 0.5mA
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Broadcom 1115
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AUD 2.1524
Multiples of: 1

PD2401X2


IXYS Integrated Circuits Triac & SCR Output Optocouplers 500V, 1mA AC Solid State Relay
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IXYS 1111
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AUD 8.6889
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MOC3053SM


Triac & SCR Output Optocouplers 6PW RP TRIAC SMD
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ON Semiconductor 1110
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AUD 0.4604
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