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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LTV-356T-B


3.75kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 2919
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AUD 0.0613
Multiples of: 10

LTV-816S-B


Transistor Output Optocouplers PC LTV-816S-B SMD TYPE
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Lite-On 500
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AUD 0.197
Multiples of: 1

H11B1


Transistor Output Optocouplers Optocouplers
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Everlight 500
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AUD 0.4994
Multiples of: 1

PS9505-AX


High Speed Optocouplers 15-30Volts 10mA -40C +110C High CMR
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CEL 500
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AUD 3.9808
Multiples of: 1

PS9121-AX


Logic Output Optoisolator 15Mbps Open Collector 3750Vrms 1 Channel 15kV/µs CMTI 5-SO
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CEL 497
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AUD 4.2687
Multiples of: 1

MOC3010


Optotriac; 7.5kV; Uout:250V; DIP6; Channels:1
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ON Semiconductor 497
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AUD 0.6018
Multiples of: 1

TLP387(D4-TPL,E


Transistor Output Optocouplers Photocoupler 300V .15A 5000Vrms
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Toshiba 497
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AUD 0.7723
Multiples of: 1

CNY17F4SM


Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 496
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AUD 0.2824
Multiples of: 1

TLP293(GB.E(T


Transistor Output Optocouplers
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Toshiba 493
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AUD 0.4242
Multiples of: 1

FOD3150V


Logic Output Optocouplers Optocoupl Logic-Out DC-In 1-Ch
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ON Semiconductor 493
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AUD 1.2691
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