MURF550PFG

Series:	SWITCHMODE™
Packaging:	Tube
Part Status:	Obsolete
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	520V
Current - Average Rectified (Io):	5A
Voltage - Forward (Vf) (Max) @ If:	1.15V @ 5A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	95ns
Current - Reverse Leakage @ Vr:	5µA @ 520V
Capacitance @ Vr, F:	--
Mounting Type:	Through Hole
Package / Case:	TO-220-2 Full Pack
Supplier Device Package:	TO-220FP
Operating Temperature - Junction:	-65°C ~ 175°C

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MURF550PFG Application Field and Working Principle

Introduction To MURF550PFG

MURF550PFG is one of the most common diodes used in many rectifier applications. It is a three-terminal, 175V power diode offered in a TO-220AB package. It is also known as Schottky diode or barrier diode. This diode is widely used and can be found in many applications from consumer electronics to industrial automation systems.

Features Of MURF550PFG

The MURF550PFG diode has a maximum reverse average current of 1.5A and a maximum forward surge current of 30A, allowing it to handle heavy power loads. It is also a fast recovery diode, with a reverse recovery time of only 4ns. It also has a low forward voltage of 0.6V at 1A, which makes it suitable for heavy-duty, high-current applications. It also has an operational temperature range of -55°C to +175°C, making it a useful feature for many applications where temperature resistance is important. Other features of this diode include low leakage current and high-pressure, flame-retardant insulation, making it suitable for a wide range of applications.

MURF550PFG Application

The most common application of the MURF550PFG diode is in rectifier circuits. This diode is used in power supplies, DC-DC converters, and motor control circuits. It is commonly used in AC to DC conversion, inverter circuits, and power factor correction circuits. It is also used in automotive charging and motor control circuits.The MURF550PFG diode can also be found in other applications, such as voltage regulation, audio amplifier protection, RF energy transmitter designs, and lightning protection circuits. It is also widely used in electrical power device protection, power surge protection, and medical device protection circuits.

MURF550PFG Working Principle

The MURF550PFG is a three-terminal, 175V power diode. It utilizes the physical principle of Schottky barrier, in which the metal and semiconductor combine together to form a p-n junction. When the diode is forward biased, current flows through the diode. This current is regulated by the applied forward bias voltage, which maintains the diode at a certain operating point.When the diode is reverse biased, the current flow is blocked. The magnitude of the reverse voltage determines how much current is blocked. The maximum reverse voltage for the MURF550PFG is 175V.

Conclusion

The MURF550PFG is a reliable and durable three-terminal, 175V power diode. It is widely used in rectifier applications, as well as audio amplifier protection, RF energy transmitter designs, and medical device protection circuits. The diode is also known for its fast recovery time, low forward voltage, and high-pressure, flame-retardant insulation. Its principles of operation are based on Schottky barrier, making it a great option for many applications.

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