CNY173FR2M

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Optoisolators are electronic devices used to isolate one electrical circuit from another electrically. The CNY173FR2M is a transistor, photovoltaic output optoisolator, and, as the name suggests, its output consists of a photovoltaic effect rather than requiring electrical connections. In this article we will discuss the CNY173FR2M’s application field and working principle.

Application Field

The CNY173FR2M is a general purpose optoisolator used in a variety of applications, from data communication to switch control. Its working environment ranges from -25 °C to +85 °C and it can be used in UL recognized applications.

Being a transistor, photovoltaic output optoisolator, the CNY173FR2M is easy to use and inexpensive. It offers reliable operation with high isolation voltage and low leakage current. This makes the device suitable for a wide range of applications, including interface isolation, signal transmission, level shifting, etc.

Working Principle

The CNY173FR2M optoisolator works by using a light-emitting diode (LED) integrated into its package. When a voltage is applied to the LED, it emits light, which is then detected by a photodiode inside the package. The photodiode converts the light into a current, which flows through the isolation barrier. This current is then used to control a transistor, which is activated when the current reaches a certain threshold.

In the CNY173FR2M, the transistor is used to control an external load, such as a relay or motor. This allows the optoisolator to act as an electrically isolated switch, providing a safe, reliable way to control external devices.

Conclusion

In summary, the CNY173FR2M is a general purpose optoisolator, suitable for a wide range of applications. It offers reliable operation with high isolation voltage and low leakage current, making it a safe and reliable way to control external devices. If you are looking for an easy to use and inexpensive way to isolate one electrical circuit from another, the CNY173FR2M is an excellent choice.

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