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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FOD8383


Fairchild Semiconductor Logic Output Optocouplers
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ON Semiconductor 1940
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AUD 2.6649
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H11N1M


High Speed Optocouplers Optocoupler LC Schmitt Trigger
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ON Semiconductor 1940
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AUD 3.3507
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IL4118-X007


Triac & SCR Output Optocouplers Phototriac Output, Zero Crossing
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Vishay 1940
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AUD 3.7603
Multiples of: 1

H11N1SR2M


High Speed Optocouplers Optocoupler LC Schmitt Trigger
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ON Semiconductor 1940
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AUD 5.6862
Multiples of: 1

VOM618A-7X001T


Transistor Output Optocouplers Phototransistor Out CTR 80-160% 1mA VDE
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Vishay 1938
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AUD 0.2791
Multiples of: 1

VO4158D


Triac & SCR Output Optocouplers Zero Crossing Photo Triac 800V 1.6mA
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Vishay 1938
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AUD 2.4415
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FOD817D300


Transistor Output Optocouplers Phototransistor Output
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ON Semiconductor 1936
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AUD 0.1776
Multiples of: 1

VO615A-7X007T


Transistor Output Optocouplers Optocplr 80-160% CTR 5mA SMD-4
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Vishay 1934
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AUD 0.1839
Multiples of: 1

CNY17-1X006


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 1933
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AUD 0.3563
Multiples of: 1

CNY17F-1X007T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 0
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AUD 0.3754
Multiples of: 1

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