4N35-X001

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Optoisolators - Transistor, Photovoltaic Output, are designed to isolate circuits from each other and protect against the effects of voltage spikes and surge. The 4N35-X001 is a type of optoisolator specifically designed to protect high voltage AC circuits from damage as well as to reduce disturbances in the circuit. It has applications in various fields and works on the principle of a photovoltaic effect.

Application Field

The 4N35-X001 optoisolator is used in various applications. It can be used in industrial applications such as motor speed control, generator control, electric lighting, air conditioner controllers, etc. It can also be used in communications systems, automotive systems, signal conditioning, etc.

The optoisolator can also be used in medical applications such as alarm systems, audiometric systems, monitoring equipment, security systems, test equipment, etc. In these applications, it can be used as a reliable electrical isolation device between different parts of the system.

The optoisolator is also used in telecommunications systems, for example, in long distance communication systems for the isolation of digital signal transmission. It is also suitable for use in high noise environments, such as power generation plants, where it is used for protection of digital circuits as well as for isolating analog signals.

Working Principle

The 4N35-X001 optoisolator works on the principle of photovoltaic effect, where a photon of light is absorbed by a semiconductor material, resulting in the excitation of electrons and the formation of free electron-holes pairs. These pairs are called photo-carriers, and they create a small voltage across the material.

The optoisolator consists of an LED diode and a phototransistor placed inside a package. When a voltage is applied to the LED diode, it generates light, which is then absorbed by the phototransistor. The phototransistor then provides electrical isolation between the input and output terminals. When the input voltage increases, the current through the LED diode increases, and so does the voltage generated across the phototransistor. This voltage is then applied to the output terminals.

The optoisolator has a wide range of applications in the field of electronics, ranging from simple LED displays to complex motor control systems. It offers reliable electrical isolation between different parts of the circuit. The optoisolator also provides protection to high voltage AC circuits from damage, as well as reducing disturbances.

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