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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AT354B-CuH-S


3.75kV 50mA 80V 6V 1.4V AC,DC SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 24667
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AUD 0.0911
Multiples of: 5

MTLP521-1GB(SOP)


SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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MSKSEMI 15864
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AUD 0.0997
Multiples of: 5

TCMD4000


Transistor Output Optocouplers Photodarlington Out Quad CTR >600%
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Vishay 14687
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AUD 1.3928
Multiples of: 1

FODM453


High Speed Optocouplers 1 Mbit/s SCHS/CMR Transistor Output
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 13242
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AUD 1.3797
Multiples of: 1

MOC3041M


Optotriac; 5.3kV; Uout:400V; zero voltage crossing driver; DIP6
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ON Semiconductor 12727
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AUD 0.484
Multiples of: 1

PS2501A-1-A


Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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CEL 12708
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AUD 0.2976
Multiples of: 1

OR-1009


Optocouplers SMD-4 RoHS
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Orient 12445
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AUD 0.0639
Multiples of: 10

6N137M


Logic Output Optoisolator 10Mbps Open Collector 5000Vrms 1 Channel 10kV/µs (Typ) CMTI 8-DIP
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ON Semiconductor 12234
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AUD 0.5972
Multiples of: 1

FODM452


Optocoupler; SMD; Channels:1; Out: transistor; 3.75kV; 1Mbps
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ON Semiconductor 2910
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AUD 0.7639
Multiples of: 3000

TLP290(SE(T


Transistor Output Optocouplers
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Toshiba 505
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AUD 0.4107
Multiples of: 1

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