NSR1030QMUTAG Discrete Semiconductor Products

Voltage - Peak Reverse (Max):	30V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	600mV @ 1A
Current - Reverse Leakage @ Vr:	20µA @ 30V
Operating Temperature:	125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	4-UDFN Exposed Pad
Supplier Device Package:	4-UDFN (3x3)
Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Diode Type:	Single Phase
Technology:	Schottky

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NSR1030QMUTAG Application Field and Working Principle

Diodes, in essence, are devices that are capable of transmitting electric current in only one direction. As a result, they are widely used in different electronic circuits with different application fields, such as rectification, voltage regulation, and voltage isolation. This is why Professor Sir William Siemens invented the bridge rectifier in 1933, serving as the gateway to integrating diodes into circuit designs.The NSR1030QMUTAG, manufactured by ON Semiconductors, is an automotive grade three-phase bridge rectifier with an average current rating of 30A, a repetitive peak reverse voltage of 1.5kV, and zero reverse recovery time. The device utilizes silicone carbide (SiC) diodes with mode-of-operation built upon the Half-Wave, Full-Wave, or Quadrant rectifier without internal center tap, which can accommodate up to four diode-based bridges.

Application Field

The NSR1030QMUTAG offers various opportunities for engineers to apply its usage in the construction of automotive and alternative automotive applications. Due to its outstanding reverse voltage protection, multiple bridge rectifier configurations can be employed for the development of isolated power supplies for the charging of batteries or for the creation of driver-controlled HV switches.Its high current rate can be implemented for the development of motorcontrol inverters for electric and hybrid vehicles, such as regenerative braking systems or high-frequency residential grid power converters. The NSR1030QMUTAG can be directly applied in any external rectifier circuit, as an alternative to the bridge rectifier module, offering application flexibility and reliability at a low price.

Working Principle

The working principle of a bridge rectifier is rather simple and can be easily explained with the help of a circuit diagram. Basically, the four diodes that are connected in a closed loop intercept the alternating current and direct it flows in one direction only. When looking at the positive cycle, two of the diodes remain open while the two other diodes become closed, steering the current towards the positive terminal. During the negative cycle, the pair of diodes that previously had closed are opened and the other two will become activated and direct it to the negative terminal. By repeating this process, the alternating current is unidirectional, which is essential in applications where the power should be DC. Moreover, the NSR1030QMUTAG is a bridge rectifier with a very short reverse recovery time because of its SiC diodes, making it ideal for high frequency applications such as in motor inverters.Overall, bridge rectifiers are very advantageous for engineers and technicians that are looking for a low cost and reliable solution for their projects. The NSR1030QMUTAG is an ideal solution for automotive and automotive related projects, since its performance is incredibly efficient and its application fields are versatile and extendable. By properly building in this bridge rectifier within the circuit, designers can greatly benefit from its numerous features when compared to other rectifier solutions.

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