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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CNY174SR2VM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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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 3624
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AUD 0.357
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FODM121A


Optocoupler; SMD; Channels:1; Out: transistor; 80V; Mini-flat 4pin
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ON Semiconductor 3621
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AUD 0.2916
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HCPL-2631-500E


High Speed Optocouplers 10MBd 2Ch 5mA
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Broadcom 3611
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AUD 1.7236
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TCET1109


Transistor Output Optocouplers Phototransistor Out Single CTR>200-400%
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Vishay 3609
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AUD 0.2724
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VO610A-3X019T


Transistor Output Optocouplers Phototransistor Out CTR 100-200%
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Vishay 3597
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AUD 0.2095
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SFH617A-1


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 3593
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AUD 0.2707
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FODM121B


Transistor Output Optocouplers Full pitch MFP PhotoTrans Ouput
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ON Semiconductor 3591
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AUD 0.2986
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FOD2741ASDV


Transistor Output Optocouplers Error amplifier Optocoupler
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ON Semiconductor 3584
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AUD 1.2641
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VO4258D-X007T


Triac & SCR Output Optocouplers Non Zero Cross Photo Triac 800V 1.6mA
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Vishay 3573
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AUD 2.6154
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VO615A-7


Vishay Semiconductors Transistor Output Optocouplers Optocoupler DIP4
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Vishay 3569
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AUD 0.1746
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