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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ACPL-C79B-500E


Avago Technologies Optically Isolated Amplifiers Precision Iso-Amp
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Broadcom 4840
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AUD 2.8164
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SFH615A-3X009


Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 3783
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AUD 0.4168
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H11AA4SR2VM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler SM-DIP6 Phototransistor
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ON Semiconductor 2213
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AUD 0.4809
Multiples of: 1

KPC452 0E


300V 3750V 150mA 1.5V@100mA,20mA 1 6V 1.2V AC,DC SOP-4-2.54mm Optocouplers - Phototransistor Output ROHS
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Cosmo 2206
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AUD 0.2964
Multiples of: 5

TPC816D C9G


Transistor Output Optocouplers Phototransistor DC input 70V 50mA
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Taiwan Semiconductor 2192
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AUD 0.1327
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LTV-824S


Transistor Output Optocouplers Optocoupler AC in 2-CHNL
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Lite-On 2189
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AUD 0.3997
Multiples of: 1

TLP785(TELS,F


DIP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2143
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AUD 0.1057
Multiples of: 5

ORPC-817SC-TP-C


SOP-4 Optocouplers - Phototransistor Output ROHS
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Orient 1823
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AUD 0.0471
Multiples of: 10

HCPL0639


Fairchild Semiconductor High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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ON Semiconductor 1457
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AUD 4.4553
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KPS28320E TLD


SMD-4 Optocouplers - Phototransistor Output ROHS
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Cosmo 738
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AUD 0.4703
Multiples of: 1

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