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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TLP521-4X


Optoisolator Transistor Output 5300Vrms 4 Channel 16-DIP
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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.

Isocom 1030
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AUD 1.2057
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4N35X


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5.3kV; DIP6
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Isocom 862
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AUD 0.3239
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FOD3150TV


Fairchild Semiconductor Logic Output Optocouplers DC-In 1-Ch Optocoupl Logic-Out
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ON Semiconductor 862
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AUD 1.3512
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ACPL-W61L-000E


High Speed Optocouplers 10MBd Optocoupler
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Broadcom 860
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AUD 5.1194
Multiples of: 1

H11AA4TVM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler SM-DIP6 Phototransistor
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ON Semiconductor 858
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AUD 0.4958
Multiples of: 1

MOC3020SR2M


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 857
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AUD 0.4219
Multiples of: 1

FOD4116TV


Fairchild Semiconductor Triac & SCR Output Optocouplers Zero-Cross Triac Out Snubberless VDE 600V
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ON Semiconductor 857
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AUD 3.8748
Multiples of: 1

4N25VM


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 851
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AUD 0.3284
Multiples of: 1

HTLP521GB-S


SMD-4P Transistor Output Optocoupler ROHS
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HXY MOS 795
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AUD 0.1281
Multiples of: 5

CNY64B


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 514
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AUD 1.5493
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