MUR5040R

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Type:	Standard, Reverse Polarity
Voltage - DC Reverse (Vr) (Max):	400V
Current - Average Rectified (Io):	50A
Voltage - Forward (Vf) (Max) @ If:	1V @ 50A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	75ns
Current - Reverse Leakage @ Vr:	10µA @ 50V
Capacitance @ Vr, F:	--
Mounting Type:	Chassis, Stud Mount
Package / Case:	DO-203AB, DO-5, Stud
Supplier Device Package:	DO-5
Operating Temperature - Junction:	-55°C ~ 150°C

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MUR5040R Application Field and Working Principle

Introduction

MUR5040R is a short for "Motorola Ultrafast Rectifier", and it belongs to a type of diodes known as single rectifiers. MUR5040R devices are commonly used in high frequency AC/DC power systems and automotive electronics in order to regulate and convert AC/DC power into DC power. This type of diode is also used in circuits and subsystems to optimize the flow of electrical current.

Application Fields

MUR5040R devices are widely used in lighting, automotive, telecom, consumer and industrial applications, where efficient rectification and sophisticated protection against power anomalies are required. This diode is especially beneficial for consumer applications such as outdoor LED lights and battery chargers, since MUR5040R offers advanced features with a reduced form factor. Because of its low leakage current, MUR5040R is also used in communication applications like power line communications, cellular base stations, and high-speed protocols.

Working Principle

MUR5040R works on the principle of biased conduction, allowing current to flow through the diode when a certain voltage is applied. This diode is made of two layers, an N-type and a P-type semiconductor material, in which current flows through the device in one direction only. MUR5040R has a forward voltage drop of 3.6V and a maximum forward current of 40A. When an AC signal is applied to MUR5040R, a positive voltage is developed at the anode, while a negative voltage is developed at the cathode. This creates a bias voltage across the diode, allowing it to conduct. The MUR5040R also features transient and reverse breakdown protection, surge capability, and temperature compensation.

Conclusion

The MUR5040R is an efficient single rectifier that is ideal for a wide range of applications, from lighting to automotive and telecom. This diode enables the efficient conversion and regulation of AC/DC power with its forward voltage drop, reverse breakdown protection, and temperature compensation. With its reduced form factor and improved leakage current, MUR5040R is an excellent choice for designers who require high power efficiency and sophisticated protection against power fluctuations.

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