The SMAJ4473CE3/TR13 is a 3.0 Watt silicon planar diode specifically designed for use in general purpose applications. This diode is housed in a surface mount package for ease of use and flexibility in mounting, and has an operating voltage range of up to 200V. As a single-diode device, the SMAJ4473CE3/TR13 has a forward voltage drop of 600mV and a reverse leakage current of less than 1uA.

The SMAJ4473CE3/TR13 finds applications in a wide range of fields, ranging from power supplies to audio systems. It is also commonly used in medical equipment, automotive applications, and communications systems. Additionally, it can also be used in other industrial, military and aerospace applications where efficient, reliable power conversion is required.

The primary function of the SMAJ4473CE3/TR13 is to rectify AC currents and provide a stable voltage level for use in a variety of circuits and applications. This diode is designed to operate in a range of operating temperatures, from -65°C to +150°C, and features a typical reverse stand-off voltage of 45V. This makes it suitable for many applications in different temperature and voltage ranges.

The working principle behind this diode is simple and straightforward. When AC current is applied to the SMAJ4473CE3/TR13, the negative half-cycle of the current is rectified by the diode, allowing the positive half-cycle of the current to pass through. The rectified current is then used to provide a stable voltage level for the application. The SMAJ4473CE3/TR13 also acts as a protection device in reverse bias, preventing the shoot-through current and allowing the power to remain protected against incidental reverse voltages.

In conclusion, the SMAJ4473CE3/TR13 is a reliable and efficient diode device, suitable for many general purpose applications. This device has a wide range of operating temperature and voltage, making it a versatile and robust piece of technology. Its simple working principle results in good rectification of AC currents and helps ensure a stable voltage level for the application.