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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TCET1202


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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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.

Vishay 3872
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AUD 0.2794
Multiples of: 1

MPS2501L-1-K


SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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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.

MSKSEMI 3870
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AUD 0.1864
Multiples of: 5

CNY17-1M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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Lite-On 3870
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AUD 0.193
Multiples of: 1

HCPL-817-56BE


Transistor Output Optocouplers 5000 Vrms 50mA
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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 3866
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AUD 0.3339
Multiples of: 1

SFH618A-5X016


Transistor Output Optocouplers Phototransistor Out Single CTR>250-500%
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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.

Vishay 3863
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AUD 0.7519
Multiples of: 1

VO615A-8X001


Transistor Output Optocouplers Optocuopler DIP4
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Vishay 3860
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AUD 0.1746
Multiples of: 1

4N33TVM


Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-DIP
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ON Semiconductor 3858
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AUD 0.4167
Multiples of: 1

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 3850
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AUD 0.2659
Multiples of: 5

TLP785(GB-TP6,F


Transistor Output Optocouplers Photocoupler 80V 60mA 5000 Vrms
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Toshiba 3849
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AUD 0.2928
Multiples of: 1

TCET1103


Transistor Output Optocouplers Phototransistor Out
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Vishay 3847
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AUD 0.3467
Multiples of: 1

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