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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Hot FOD2741B


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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ON Semiconductor 520
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AUD 0.84
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IL252


Transistor Output Optocouplers Phototransistor Out Single CTR >100%
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Vishay 520
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AUD 0.886
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CPC5903G


Logic Output Optocouplers Dual Opto Isolated I2C Bus Repeater
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IXYS 519
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AUD 4.25
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ISP621-2X


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5.3kV; DIP8
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Isocom 518
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AUD 0.552
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VO4258M-X007T


Triac & SCR Output Optocouplers Non Zero Cross Photo Triac 800V 3mA
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Vishay 518
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AUD 2.6923
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4N29SM


Transistor Output Optocouplers Photodarlington
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ON Semiconductor 517
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AUD 0.3991
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MCT5211TVM


Transistor Output Optocouplers 6P-DIP LO-INPUT CURR PHOTO OUTPT-OPTOCOUP
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ON Semiconductor 517
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AUD 0.8549
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VOS618A-3T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out CTR 100-200% IF=1MA
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Vishay 516
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AUD 0.4611
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HCPL-2631-000E


Logic Output Optoisolator 10MBd Open Collector, Schottky Clamped 3750Vrms 2 Channel 10kV/µs CMTI 8-DIP
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Broadcom 516
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AUD 1.5872
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LCR-0202


Optocouplers Through Hole RoHS
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Senba 0
6 to 16 Weeks Calender.png

AUD 0.7809
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