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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TIL199


Optocoupler; THT; Channels:4; Out: Darlington; Uinsul:5.3kV; DIP16
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Isocom 38800
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AUD 1.5804
Multiples of: 25

FODM1008R4V


Transistor Output Optocouplers LSOP4 TR
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ON Semiconductor 2990
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AUD 0.3513
Multiples of: 1

FOD3184TSV


Fairchild Semiconductor Logic Output Optocouplers 3A Out, Hi-Speed Gate Drvr Optocouplr
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ON Semiconductor 525
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AUD 2.1179
Multiples of: 1

4N33VM


Transistor Output Optocouplers Photodarlington
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ON Semiconductor 522
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AUD 0.5787
Multiples of: 1

AT075L-CuH-S


15Mbit/s 80us 5.5V 15kV/us DC SOP-8 Logic Output Optoisolators ROHS
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AOTE 521
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AUD 1.3153
Multiples of: 1

FOD817D300W


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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ON Semiconductor 520
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AUD 0.179
Multiples of: 1

VOT8125AG-V


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm DIP6; 5000V Vrms
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Vishay 493
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AUD 0.5713
Multiples of: 1

HCPL-181-06DE


Transistor Output Optocouplers 3750 Vrms 0.2mA
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Broadcom 449
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AUD 0.4242
Multiples of: 1

PS2503L-1-A


Transistor Output Optocouplers Hi-Speed Switch 1-Ch
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CEL 0
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AUD 0.7749
Multiples of: 1

MOC3043SR2VM


Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 0
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AUD 0.285
Multiples of: 1000

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