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-4506-000E


Logic Output Opto-couplers 1MBd 1Ch 10mA
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Broadcom 4074
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AUD 0.9506
Multiples of: 1

HCPL-2531-500E


Optoisolator Transistor Output 3750Vrms 2 Channel 8-DIP Gull Wing
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Broadcom 541
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AUD 1.7131
Multiples of: 1

MOC3021SVM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 540
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AUD 0.4219
Multiples of: 1

ACPL-7900-000E


Optically Isolated Amplifiers Precision Iso-Amp
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Broadcom 529
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AUD 9.7164
Multiples of: 1

ACPL-M43T-500E


Optoisolator Transistor Output 4000Vrms 1 Channel 5-SO
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Broadcom 525
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AUD 1.6519
Multiples of: 1

SFH6136-X017


High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>15-19%
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Vishay 519
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AUD 0.9046
Multiples of: 1

CPC1976YX6


IXYS Integrated Circuits Triac & SCR Output Optocouplers AC SS Power Switch Dual Power SCR Out
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IXYS 515
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AUD 9.1776
Multiples of: 1

AT816C-FEH-S


150mA 5kV 400mV@1mA,1mA 1 6V 1.4V DC SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 504
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AUD 0.0463
Multiples of: 10

OPI1264B


Transistor Output Optocouplers Output Photosensor Input Diode
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TT Electronics 313
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AUD 4.2194
Multiples of: 1

CNY64ABST


Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 80-240%
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Vishay 144
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AUD 1.8592
Multiples of: 1

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