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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TLP250H(F)


Logic Output Opto-couplers Photocoupler, Photo IC Output
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Toshiba 1602
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AUD 1.1194
Multiples of: 1

MOC3021SVM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 1233
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AUD 0.4278
Multiples of: 1

OR-6N137S-TA1


Optocouplers SMD-8 RoHS
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Orient 1220
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AUD 0.2777
Multiples of: 5

OPI1268


High Speed Optocouplers Optoisolator
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TT Electronics 1220
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AUD 12.1698
Multiples of: 1

MOC8106SR2VM


Optoisolator Transistor Output 4170Vrms 1 Channel 6-SMD
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ON Semiconductor 1219
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AUD 0.3697
Multiples of: 1

HCPL2730S


High Speed Optocouplers SO-8 DUAL PH DARL
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ON Semiconductor 1217
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AUD 2.9762
Multiples of: 1

CNY17F-2X017T


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 1215
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AUD 0.4522
Multiples of: 1

SFH6343T


High Speed Optocouplers 1Mbd Open Collector Single Channel
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Vishay 1214
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AUD 1.2378
Multiples of: 1

PS2561-1-V-A


CEL Transistor Output Optocouplers SGL Tr DC BSI Couplr
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CEL 1213
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AUD 0.3579
Multiples of: 1

TLP385(E


Transistor Output Optocouplers GaAs Infrared and Photo-Transistor
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Toshiba 1210
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AUD 0.2543
Multiples of: 1

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