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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MOC3011SR2M


Triac & SCR Output Optocouplers 6Pin 250V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 25124
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AUD 0.407
Multiples of: 1

CNY17F-3X006


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 5415
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AUD 0.3159
Multiples of: 1

Hot 4N35TVM


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 3436
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AUD 0.3033
Multiples of: 1

CNY17F1TVM


Optoisolator Transistor Output 4170Vrms 1 Channel 6-DIP
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ON Semiconductor 1940
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AUD 0.2286
Multiples of: 1000

4N37SR2M


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1940
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AUD 0.2625
Multiples of: 1000

CNY172SR2M


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 1940
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AUD 0.2804
Multiples of: 1000

MOC3010SM


Triac & SCR Output Optocouplers SO-6 NON-ZERO TRIAC
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ON Semiconductor 1940
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AUD 0.3311
Multiples of: 1000

CNY17F-2X016


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 1940
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AUD 0.3756
Multiples of: 1

CNY17F-3X007


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 1893
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AUD 0.3269
Multiples of: 1

AM817S(B)(T1)-FG


SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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Amicc 1590
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AUD 0.066
Multiples of: 10

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