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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KPC357NT0BTLD


Optocouplers SMD-4 RoHS
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Cosmo 1042
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AUD 0.0844
Multiples of: 5

MOC3081SVM


Triac & SCR Output Optocouplers 6Pin800V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 995
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AUD 0.7448
Multiples of: 1

FOD817C3S


Transistor Output Optocouplers Phototransistor Output
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ON Semiconductor 991
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AUD 0.1752
Multiples of: 1

VOM160PT


Triac & SCR Output Optocouplers 600V 7mA 0.5K DV/DT Non-Zero Crossing
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Vishay 991
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AUD 0.5716
Multiples of: 1

MOC3072M


Triac & SCR Output Optocouplers Triac Driver Opto
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ON Semiconductor 990
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AUD 1.2756
Multiples of: 1

6N137SM


Optocoupler; SMD; Channels:1; Out: logic; 5kV; 10Mbps; Gull wing 8
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ON Semiconductor 989
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AUD 0.8753
Multiples of: 1

H11AA1


Optoisolator Transistor with Base Output 5300Vrms 1 Channel 6-DIP
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Vishay 988
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AUD 0.6994
Multiples of: 1

CNY17-1X007T


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 987
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AUD 0.3793
Multiples of: 1

CNY17F4SM


Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 981
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AUD 0.3102
Multiples of: 1

VO3120-X001


Logic Output Opto-couplers IGBT MOSFET Driver 2.5A
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Vishay 981
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AUD 1.0836
Multiples of: 1

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