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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VO4258M


Triac & SCR Output Optocouplers Non Zero Cross Photo Triac 800V 3mA
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Vishay 1843
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AUD 1.8683
Multiples of: 1

FOD260LSV


Fairchild Semiconductor High Speed Optocouplers
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ON Semiconductor 1843
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AUD 1.9238
Multiples of: 1

MOC3032M


Optotriac; 7.5kV; triac; DIP6; Channels:1; 2kV/µs
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ON Semiconductor 1841
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AUD 0.4636
Multiples of: 50

MOC3041TVM


Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 1841
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AUD 0.5319
Multiples of: 1

MOC3042VM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 1841
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AUD 0.5716
Multiples of: 1

4N37VM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1840
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AUD 0.3614
Multiples of: 1

ILD211T


Transistor Output Optocouplers Phototransistor Out Dual CTR >20%
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Vishay 1839
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AUD 0.7175
Multiples of: 1

CNY64B


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 1839
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AUD 1.5745
Multiples of: 1

SFH615AGR


Transistor Output Optocouplers Phototransistor Out Single CTR 100-300%
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Vishay 1836
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AUD 0.3349
Multiples of: 1

FODM3053V_NF098


Fairchild Semiconductor Triac & SCR Output Optocouplers 600V Random Phase Triac Driver 5mA
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ON Semiconductor 1835
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AUD 0.9562
Multiples of: 1

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