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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6N136S-TA1-L


Optocouplers SOP-8 RoHS
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Lite-On 7943
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AUD 0.3979
Multiples of: 1

CNY17F-3X009


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 6449
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AUD 0.3332
Multiples of: 1

TCLT1009


Transistor Output Optocouplers Phototransistor Out Single CTR 200-400%
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Vishay 6402
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AUD 0.3062
Multiples of: 5

TLP184(V4GBTL,SE(T


SOP-4 Optocouplers - Phototransistor Output ROHS
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Toshiba 6344
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AUD 0.9656
Multiples of: 1

5151231F


Transistor Output Optocouplers LIGHT PIPE
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Dialight 6333
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AUD 0.7504
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PS2501AL-1-A


Transistor Output Optocouplers Optocoupler 4-pin DIP
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Renesas 6311
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AUD 0.3538
Multiples of: 1

Hot FOD8342TR2


Logic Output Opto-couplers 3.0A, HighSpeed Gate Drive Optocoupler
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ON Semiconductor 5798
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AUD 0.8004
Multiples of: 1

6N137


High Speed Optocouplers 10Mbd Open Collector Single Channel
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Vishay 5729
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AUD 1.0921
Multiples of: 1

EL817DS


5kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 1755
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AUD 0.0457
Multiples of: 10

PS2802-4-F3-A


Transistor Output Optocouplers Hi-Iso Darling 4-Ch
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CEL 0
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AUD 2.3618
Multiples of: 1

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