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-0454-500E


High Speed Optocouplers 1MBd 1Ch 16mA
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Broadcom 619
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AUD 0.908
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OR-341W-TA1


15Mbit/s 100ns 10kV/us DC SOP-6 Optocouplers - Logic Output ROHS
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Orient 618
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AUD 0.6008
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LTV-331J-TP1


SOP-16 Optocouplers - Phototransistor Output ROHS
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Lite-On 618
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AUD 2.0969
Multiples of: 1

APT1211SZ


Triac & SCR Output Optocouplers AC TY 600V 50mA 50V Phototriac Coupler
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Panasonic 615
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AUD 1.3687
Multiples of: 1

TLP291(GR-TP,E(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 614
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AUD 0.4179
Multiples of: 1

PS2565-1-A


Transistor Output Optocouplers Hi-Iso AC Input 1-Ch
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CEL 614
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AUD 0.7197
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MOC8106SM


Transistor Output Optocouplers 6-Pin Optocoupler Phototrans No Base
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ON Semiconductor 607
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AUD 0.2876
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6N139SVM


High Speed Optocouplers 8-Pin DIP Single-Channel Low Input Current High Gain Split Darlington Output Optocoupler
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ON Semiconductor 587
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AUD 1.1079
Multiples of: 1

ACPL-C784-500E


Avago Technologies Optically Isolated Amplifiers 5000 Vrms 10 kHz
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Broadcom 0
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AUD 1.9284
Multiples of: 1

6N137-X007T


High Speed Optocouplers 10Mbd High-Speed Single CTR>300%
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Vishay 0
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AUD 0.595
Multiples of: 1000

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