MUR440RL

Series:	SWITCHMODE™
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
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-201AA, DO-27, Axial
Supplier Device Package:	DO-201AD
Operating Temperature - Junction:	-65°C ~ 175°C
Base Part Number:	MUR440

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Diodes - Rectifiers - Single

The MUR440RL diode is a high current rectifier diode, part of the MUR400 series of diodes manufactured by Vishay. It is widely used in the electronics industry for a variety of applications, due to its high current capabilities, low forward voltage drop, high surge capability, and fast switching speed. In this article, we will discuss the application fields and working principles of the MUR440RL diode.

The MUR440RL is a high current rectifier diode, meaning that it is used primarily to convert alternating current (AC) power into direct current (DC) power. It is typically used in circuits that require high current, as it is capable of carrying up to 4A of current in the forward direction, and can operate at temperatures up to +175°C. This makes it ideal for applications such as rectifying the output of power supplies, converting high voltage AC power into DC, and other power conversion and rectifying applications.

The MUR440RL has a nominal forward voltage drop of 1.2 volts, which is relatively low compared to other rectifier diodes. This low forward voltage drop means that it only requires a small amount of power to turn it on, making it ideal for applications such as AC to DC conversion, where minimal power loss is desired. It also has a fast switching speed, with a maximum reverse recovery time of 50ns, meaning that it can be used in high frequency circuits with minimal switching losses.

The MUR440RL is also able to handle high surge currents due to its fast recovery time. This makes it ideal for applications such as AC to DC power supplies and solar panel inverters, as they are often subjected to large amounts of surge current. The MUR440RL has a low forward voltage drop and a high current rating, making it ideal for applications that require both low power loss and high current.

Finally, the MUR440RL has a wide operating temperature range of -65°C to +175°C, making it suitable for use in extreme environmental conditions. This makes it ideal for applications such as motor control, rectification, and other industrial applications. The MUR440RL is a versatile diode capable of handling both high currents and high temperature operation.

In conclusion, the MUR440RL diode is a versatile high current rectifier diode, capable of handling up to 4A of current in the forward direction, and is suitable for use in a wide variety of applications from AC to DC conversion to high surge current protection. It has a low forward voltage drop and a fast switching speed, as well as a wide operating temperature range, making it ideal for use in high power and extreme environmental applications.

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