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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AT6N137-CuH-S


10Mbit/s 100us 5.5V 10kV/us DC SMD-8P Logic 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.

AOTE 1503
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AUD 0.3256
Multiples of: 5

4N36-X009


Transistor Output Optocouplers Phototransistor Out Single CTR>100%
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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 1503
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AUD 0.3789
Multiples of: 1

CNY173SR2VM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 1500
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AUD 0.3824
Multiples of: 1

AT3020-CuH-DE


100mA 60mA 400V 1.23V Two-way thyristor DIP-6 Triac, SCR 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.

AOTE 1498
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AUD 0.1538
Multiples of: 5

4N25S


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:1.5kV
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Lite-On 1498
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AUD 0.1746
Multiples of: 1

HCPL-0452-500E


High Speed Optocouplers 1MBd 1Ch 16mA
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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 1496
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AUD 2.0177
Multiples of: 1

SFH6345-X016


High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>30%
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Vishay 1489
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AUD 1.3467
Multiples of: 1

EL817S1(B)(TU)


Transistor Output Optocouplers Optocoupler Transistor DC Input
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Everlight 1488
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AUD 0.1063
Multiples of: 5

AT3062-CuH-SE


100mA 60mA 600V 1.3V Two-way thyristor SMD-6P Triac, SCR Output Optoisolators ROHS
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AOTE 1488
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AUD 0.2329
Multiples of: 5

HCPL-7840-500E


Optically Isolated Amplifiers 4.5 - 5.5 SV 8 dB
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Broadcom 1394
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AUD 2.3638
Multiples of: 1

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