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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HCPL-181-00BE


Transistor Output Optocouplers 3750 Vrms 0.2mA
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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.

Broadcom 10432
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AUD 0.2938
Multiples of: 5

H11G2M


Optocoupler; THT; Channels:1; Out: Darlington; Uinsul:4.17kV; DIP6
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ON Semiconductor 5820
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AUD 0.4104
Multiples of: 1

TLP383(D4GL-TL,E(T


SO-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 5820
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AUD 0.5232
Multiples of: 1

FODM8801AV


Transistor Output Optocouplers OptoHiT Octocoupler Phototransistor
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ON Semiconductor 5818
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AUD 1.0262
Multiples of: 1

IS181GB


Optocouplers SOP-4_P2.54 RoHS
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Isocom 5816
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AUD 0.203
Multiples of: 1

KPC457TLD


Optocouplers SOP-5 RoHS
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Cosmo 5809
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AUD 0.5878
Multiples of: 1

FODM217CR2


Transistor Output Optocouplers 4 PIN TRANSISTOR OUTPUT MFP
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ON Semiconductor 5807
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AUD 0.2651
Multiples of: 1

IL223AT


Transistor Output Optocouplers Photodarlington Out Single CTR >500%
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Vishay 5805
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AUD 0.5894
Multiples of: 1

CNY17F3SR2VM


Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 2910
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AUD 0.3804
Multiples of: 3000

HCPL0638


High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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ON Semiconductor 1480
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AUD 2.5728
Multiples of: 1

First...7172737475...

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