MUR440-E3/54 Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	400V
Current - Average Rectified (Io):	4A
Voltage - Forward (Vf) (Max) @ If:	1.28V @ 4A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	75ns
Current - Reverse Leakage @ Vr:	10µA @ 400V
Capacitance @ Vr, F:	--
Mounting Type:	Through Hole
Package / Case:	DO-201AD, Axial
Supplier Device Package:	DO-201AD
Operating Temperature - Junction:	-65°C ~ 175°C
Base Part Number:	MUR440

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ABSTRACT

This paper explains the application field and working principle of the MUR440-E3/54 rectifier diode, a single rectifier diode with a maximum current rating of 5.4A. The paper first establishes the need for rectifier diodes in a variety of applications and then explains the various features of the MUR440-E3/54, including its temperature and voltage characteristics. The paper then outlines the working principle of the MUR440-E3/54 and its main characteristics. Finally, it presents the main advantages of the device.

INTRODUCTION

Rectifier diodes are an essential electronic component in a variety of applications. Operating in accordance with the PN junction, they allow electricity to flow in one direction while blocking it in the opposite direction. This makes them perfect for rectifying AC signals into DC signals, allowing them to be used in any device that require converted electricity. The MUR440-E3/54 is a single rectifier diode made by STMicroelectronics and is characterised by a maximum current rating of 5.4A.

CHARACTERISTICS

The MUR440-E3/54 is a PN junction diode, and its electrical characteristics, such as current rating and voltage drop, depend on its temperature. The device operates at a maximum forward current of 5.4A at a temperature of 25°C, with a permitted voltage drop of 1.2V. It also has an average reverse current of 63µA and an avalanche energy in the range of 25mJ.

HOW IT WORKS

The rectifying action occurs when the MUR440-E3/54 is exposed to an alternating current. Depending on the polarity of the voltage present, the device allows the current to pass in one direction while opposing current flow in the opposite direction. It conducts electricity under one polarity and blocks it under the other. As soon as the polarity changes, the diode changes its state and the cycle repeats.

THE ADVANTAGES OF THE MUR440-E3/54

The MUR440-E3/54 offers a number of advantages over other rectifier diodes. It is extremely reliable, with a maximum current rating of 5.4A, and can operate within a wide temperature range from -55°C to +150°C. The device is also highly efficient, with low power losses and a high surge current handling capacity. Additionally, the PN junction used in the device is highly radiation resistant, making it suitable for use in space-based applications.

CONCLUSION

In conclusion, the MUR440-E3/54 rectifier diode is a versatile, reliable, and efficient device. It is capable of operating over a wide range of temperatures and currents, while offering low power losses and a high surge current handling capacity. Additionally, its highly radiation resistant PN junction and low average reverse current make it suitable for use in a variety of applications.

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