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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IL207AT


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 3126
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AUD 0.4673
Multiples of: 1

IL420-X001


Triac & SCR Output Optocouplers Phototriac Output Low Input Current
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Vishay 1261
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AUD 2.2407
Multiples of: 1

CYTLP185(BL-TP)


SOP-4 Optocouplers - Phototransistor Output ROHS
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OCIC 1261
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AUD 0.0762
Multiples of: 5

VO615A-3X006


Transistor Output Optocouplers H.Temp Phototrnstr 100-200% CTR
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Vishay 1259
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AUD 0.1757
Multiples of: 1

TLP5752(D4-TP,E


Logic Output Opto-couplers Photocoupler, Photo IC Output
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Toshiba 1257
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AUD 1.1402
Multiples of: 1

TCDT1100G


Transistor Output Optocouplers Phototransistor Out Single CTR > 40%
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Vishay 1254
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AUD 0.353
Multiples of: 1

VOT8024AB-T


Triac & SCR Output Optocouplers PhotoTRIAC 800V ZC SMD4
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Vishay 1246
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AUD 0.5051
Multiples of: 1

H11F1TVM


MOSFET Output Optocouplers FET Bilateral analog
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ON Semiconductor 1238
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AUD 0.8193
Multiples of: 1

GAQV1123S


2.5kV 8uA 1.4V SOP-4-175mil-2.54mm Transistor, Photovoltaic Output Optoisolators ROHS
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SUPSiC 1143
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AUD 0.5878
Multiples of: 1

CNY65AGRST


Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 100-300
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Vishay 546
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AUD 1.9211
Multiples of: 1

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