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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H11A1M


Optocoupler; THT; Channels:1; Out: transistor; 4.17kV; DIP6
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ON Semiconductor 14813
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AUD 0.308
Multiples of: 1

MCT62


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5.3kV; DIP8
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ON Semiconductor 8377
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AUD 0.4101
Multiples of: 1

H11A1SR2VM


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 2910
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AUD 0.3207
Multiples of: 1000

TCLT1102


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 5-Pin SOP
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Vishay 2910
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AUD 0.329
Multiples of: 3000

MOC3021SR2M


Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 2910
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AUD 0.325
Multiples of: 1000

TLP385(GB,E(T


Transistor Output Optocouplers
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Toshiba 2910
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AUD 0.4093
Multiples of: 3000

TCLT1014


Transistor Output Optocouplers Phototransistor 160-320% CTR 10mA
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Vishay 2910
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AUD 0.45
Multiples of: 1

FOD2712AV


Fairchild Semiconductor Transistor Output Optocouplers OPTICALLY ISOLATED ERROR AMPLIFIER
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ON Semiconductor 2910
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AUD 0.7484
Multiples of: 1

FODM217AR2V


Transistor Output Optocouplers 4SO TR
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ON Semiconductor 2813
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AUD 0.3064
Multiples of: 1

H11L1TVM


Logic Output Opto-couplers Optocoupler Schmitt Trigger
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ON Semiconductor 886
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AUD 0.726
Multiples of: 1

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