FOD2742BR2V

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Optoisolators are electronic components used to electrically isolate one circuit from another. They are devices with a light-emitting diode (LED) on one side, which is optically coupled to a photosensitive device on the other side, such as a phototransistor. The FOD2742BR2V is a type of optoisolator that belongs to the Transistor, Photovoltaic Output category. It is a device with a low current transfer ratio (CTR) and wide operating temperature range, making it suitable for applications where reliable electrical isolation and high temperature stability is required.

Applications of the FOD2742BR2V

The FOD2742BR2V is designed for medium-speed logic isolation applications, including switching power supplies, alarm system interfaces, machine controllers, and medical equipment. It is especially suitable for industrial automation and motor drive control. It is also used in many consumer applications, such as audio and security systems.

The FOD2742BR2V reduces the amount of power used by devices, making it more energy efficient. Its high frequency response also makes it suitable for digital signal transmission and process control.

Working Principle of the FOD2742BR2V

The FOD2742BR2V optoisolator consists of a LED, optically coupled to a photosensitive device that functions as an open-collector output transistor. When the LED is energized, it emits light that is detected by the photosensitive device. This causes the output transistor to turn on, which opens a path between the input and output. When the input signal is removed, the output transistor turns off, closing the path between input and output.

The FOD2742BR2V is a low current transfer ratio (CTR) optoisolator, meaning that it provides a lower level of isolation compared to other optoisolators. It also has a wide operating temperature range of -40°C to 105°C. This makes it suitable for applications that require a high degree of temperature stability.

Conclusion

The FOD2742BR2V optoisolator is a Transistor, Photovoltaic Output type optoisolator that offers reliable electrical isolation and high temperature stability. It is used in a wide range of applications, such as industrial automation, motor drive control, switching power supplies, alarm system interfaces, and medical equipment. It has a low CTR and wide operating temperature range, making it suitable for applications that require reliable electrical isolation and high temperature stability.

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