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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KPC354NT0A


Optocouplers SOP-4 RoHS
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Cosmo 2463
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AUD 0.2056
Multiples of: 5

CNY171SM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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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.

ON Semiconductor 2458
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AUD 0.2829
Multiples of: 1

TLP388(D4GB-TL,E


Transistor Output Optocouplers Photocoupler 350V .05A 5000Vrms
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Toshiba 2458
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AUD 0.5849
Multiples of: 1

TCLT1106


Transistor Output Optocouplers Phototransistor Out Single CTR 100-300%
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Vishay 2455
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AUD 0.2121
Multiples of: 1

TLP291(BL.SE(T


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV; SO4
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Toshiba 2448
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AUD 0.308
Multiples of: 1

VOM618A-8T


Transistor Output Optocouplers Phototransistor Out CTR 130-260% 1mA
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Vishay 2438
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AUD 0.2389
Multiples of: 1

MOC3023M


Optotriac; 5kV; Uout:400V; without zero voltage crossing driver
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Lite-On 2435
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AUD 0.2797
Multiples of: 1

TLP2719(D4-TP4,E


High Speed Optocouplers Photocoupler VDE 20V 1mA 2000ns 5000Vrms
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Toshiba 2348
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AUD 0.8158
Multiples of: 1

TLP188(GB-TPL,E(T


SOP-4-2.54mm Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2134
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AUD 0.5682
Multiples of: 1

IL300-EF


High Linearity Optocouplers High Gain Wide Bandwidth Linear
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Vishay 1959
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AUD 4.2586
Multiples of: 1

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