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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VO2223A


Triac & SCR Output Optocouplers 1 A, DIP-8 package 10-mA input trig crt
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Vishay 1883
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AUD 1.3279
Multiples of: 1

IL4218-X019T


Triac & SCR Output Optocouplers Phototriac Output Low Input Current
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Vishay 1875
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AUD 3.8333
Multiples of: 1

LTV-1009


5kV 50mA 300mV@1mA,10mA 1 6V 1.2V DC LSOP-4-300mil-2.54mm Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 1872
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AUD 0.0631
Multiples of: 10

4N28TVM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1868
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AUD 0.4874
Multiples of: 1

FOD4216SD


Fairchild Semiconductor Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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ON Semiconductor 1868
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AUD 2.5771
Multiples of: 1

IL300-DEFG-X007T


High Linearity Optocouplers Single Linear, High Gain, Wide Bandwidth
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Vishay 1860
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AUD 2.2943
Multiples of: 1

MOC3083SM


Triac & SCR Output Optocouplers 6Pin800V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 1751
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AUD 0.5091
Multiples of: 1

PC817X2YSZW


Sharp Microelectronics
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Sharp 1581
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AUD 0.08
Multiples of: 5

4N38M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; DIP6
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ON Semiconductor 1573
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AUD 0.2656
Multiples of: 1

TLP161J(TPL,U,C,F)


Triac Optocouplers SOP-4_P2.54 RoHS
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Toshiba 121
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AUD 0.7082
Multiples of: 1

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