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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FOD4216SDV


Fairchild Semiconductor Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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ON Semiconductor 970
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AUD 2.9716
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FOD410TV


Fairchild Semiconductor Triac & SCR Output Optocouplers Zero-Cross Triac Out Snubberless VDE .4in
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ON Semiconductor 970
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AUD 3.0302
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FOD420TV


Fairchild Semiconductor Triac & SCR Output Optocouplers Zero-Cross Triac Snubberless
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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.

ON Semiconductor 970
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AUD 3.1032
Multiples of: 1

FOD420SDV


Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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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.

ON Semiconductor 970
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AUD 3.2381
Multiples of: 1

IL410-X019T


Vishay Semiconductors Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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Vishay 970
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AUD 3.7692
Multiples of: 1

FOD4218TV


Fairchild Semiconductor Triac & SCR Output Optocouplers Zero-Cross Triac Snubberless
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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.

ON Semiconductor 970
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AUD 3.9246
Multiples of: 1

FOD8383R2


Fairchild Semiconductor Logic Output Optocouplers
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ON Semiconductor 970
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AUD 4.9833
Multiples of: 1

CNY117F-1X007T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 969
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AUD 0.4893
Multiples of: 1

HCPL2531TVM


Fairchild Semiconductor High Speed Optocouplers
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ON Semiconductor 969
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AUD 1.9972
Multiples of: 1

CNY66B


Transistor Output Optocouplers 15kV 100-200%CTR High Islation 700mil
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Vishay 840
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AUD 2.3859
Multiples of: 1

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