MP738-E3/54

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Diodes, otherwise known as rectifiers, are essential components found in many circuits, allowing the flow of current only in a single direction. The MP738-E3/54 is one such diode and has a variety of applications. This article explains the application field and working principle of this diode to give a better understanding of how it is used.

What Is the MP738-E3/54?

The MP738-E3/54 is a single phase rectifier diode commonly used for various power conversion applications. It is a planar Schottky barrier type diode with a rated working current of 7A and a peak repetitive reverse voltage of 200V. This diode has a built-in guard ring which provides reverse surge capability and protection from damage caused by electrostatic discharge.

Application Field of The MP738-E3/54

The MP738-E3/54 is commonly used in switching power supplies, such as DC-DC converters, AC-DC converters, and PFC circuits. It can be used in a wide range of applications, such as industrial control, medical equipment, LED lighting, and home appliance. In these applications, the diode is used to rectify the alternating current (AC) to direct current (DC) which can be used by the system.

Working Principle of The MP738-E3/54

The MP738-E3/54 works on the principle of rectification. The circuit is designed in such a way that when a positive voltage is applied on the anode, it passes through the diode and the electrons move from the cathode to the anode, resulting in a positive voltage on the output. On the other hand, when a negative voltage is applied on the anode, the electrons do not move and the output voltage remains zero.

The MP738-E3/54 also has an internal guard ring that helps to suppress leakage current. The guard ring acts as a shield, forming a barrier between the anode and cathode to protect against potential damage from electrostatic discharge.

Advantages of The MP738-E3/54

The MP738-E3/54 has many advantages. It has a rated working Current of 7A and a peak repetitive reverse voltage of 200V. It also has a low forward voltage drop of only 0.72V and a low reverse leakage current of 30uA. The built-in guard ring increases reverse surge capability and provides electrostatic discharge protection. In addition, the diode can handle high frequency currents without degrading its performance and it has a high temperature range of -55 °C to +150 °C.

Conclusion

In conclusion, the MP738-E3/54 is a single-phase rectifier diode that is suitable for various power conversion applications. It has a rated working current of 7A and a peak repetitive reverse voltage of 200V. Additionally, the diode has a built-in guard ring for reverse surge capability and ESD protection. The diode also has a low forward voltage drop, low reverse leakage current, and it can handle high frequency currents. Overall, the MP738-E3/54 is a reliable and versatile diode with a wide range of applications.

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