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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PS2505-1


Optocouplers DIP-4 RoHS
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Isocom 38800
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AUD 0.3084
Multiples of: 100

MOC8050SR2VM


Transistor Output Optocouplers Photodarlington
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ON Semiconductor 1940
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AUD 0.4089
Multiples of: 1000

CNY117F-4


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 1940
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AUD 0.3962
Multiples of: 1

FOD852SD


Transistor Output Optocouplers 4Pin DIP Photo Darl Optocoupler
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ON Semiconductor 1940
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AUD 0.4196
Multiples of: 1000

MOC3043VM


Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 1940
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AUD 0.4943
Multiples of: 1000

MOC3041SR2M


Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 1940
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AUD 0.532
Multiples of: 1

H11G2SR2M


Transistor Output Optocouplers Hi Volt Photodarling
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ON Semiconductor 1940
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AUD 0.5536
Multiples of: 1000

SFH615A-4X018T


Transistor Output Optocouplers RECOMMENDED ALT 78-VO615A-4X018T
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Vishay 1940
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AUD 0.6038
Multiples of: 1

VO3052


Triac & SCR Output Optocouplers Non-Zero Crossing Photo Triac
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Vishay 1940
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AUD 0.7356
Multiples of: 1

MOC8204SR2M


Optoisolator Transistor with Base Output 4170Vrms 1 Channel 6-SMD
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ON Semiconductor 105
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AUD 0.5893
Multiples of: 1

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