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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LTV-3150


Logic Output Optocouplers 1.0A IGBT Gate Drive 8 Pin Optocoupler
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Lite-On 762
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AUD 1.4212
Multiples of: 1

ATW720-CuH-P


15Mbit/s 55us 5.5V 15kV/us DC SOP-6-P Logic Output Optoisolators ROHS
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AOTE 759
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AUD 1.1167
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4N27-X009


Transistor Output Optocouplers Phototransistor Out Single CTR>10%
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Vishay 756
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AUD 0.3998
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CNY17-2-500E


Transistor Output Optocouplers 5000 Vrms 0.3mA
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Broadcom 754
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AUD 0.4267
Multiples of: 1

PS817-SMD


Optocoupler; SMD; OUT: transistor; Uinsul: 5kV; CTR@If: 400%@5mA
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Optosupply 749
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AUD 0.1156
Multiples of: 5

ISP620-1XSM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5.3kV
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Isocom 747
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AUD 0.42
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CNY64ST


Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 50-300%
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Vishay 747
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AUD 2.7111
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KMOC3043S TL


SMD Optocouplers - Phototransistor Output ROHS
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Cosmo 746
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AUD 0.2554
Multiples of: 5

CNY17-1X006


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 746
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AUD 0.3632
Multiples of: 1

VOMA618A-2X001T


Transistor Output Optocouplers 80Vceo 3750Vrms SOP-4 CTR 63-125
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Vishay 746
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AUD 1.8574
Multiples of: 1

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