UPR20E3/TR7 Discrete Semiconductor Products

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Diodes, and rectifiers in particular, are essential components in power supplies, DC to DC converters, and voltage regulators. The UPR20E3/TR7 Single Rectifier diode is no exception, and depending on its application, the device can greatly improve the performance of the power supply, allowing larger ripple currents and wider voltage ranges. In this article, we will discuss the application field and working principle of the UPR20E3/TR7 rectifier diode to help engineers better understand the device in order to select the ideal component for their power supply designs.

UPR20E3/TR7 Application Field

The UPR20E3/TR7 is a high-performance dual-diffused single rectifier diode designed for use in power supplies, DC-DC converters, and voltage regulators. The device is available in a TO-220 package and features a maximum reverse blocking voltage of 30 V, up to a 28 A current rating, and avalanche capability up to 1.2 A at 100 mA and 10 V. This device is well suited for power management, consumer electronics, automotive, and industrial sectors and is capable of handling large current pulses with minimal power dissipation. The device is also immune to thermal runaway, allowing it to be used in applications that require increased efficiency.

UPR20E3/TR7 Working Principle

The UPR20E3/TR7 rectifier diode works by rectifying an AC voltage signal into a unidirectional DC voltage. This is achieved through the operation of the diode’s semiconductor junction, which acts as a one-way valve for electric current. For example, when the anode is more positive than the cathode, current is allowed to flow from the anode to the cathode; however, when the cathode is more positive than the anode, current is prevented from flowing. This action allows the diode to perform its job of changing alternating current into direct current.

The diode also has the ability to regulate and reduce the currents flowing through it by operating in either forward conduction mode or reversed blocking mode. In forward conduction mode, the device has low on-state voltage which helps reduce power loss due to voltage drops in the power supply and increases efficiency. In reverse blocking mode, the device prevents large reverse currents from flowing, thus reducing the amount of energy wasted due to losses.

Conclusion

The UPR20E3/TR7 rectifier diode is a well-designed device that is capable of meeting the demands of a variety of power supply designs. By understanding the application field and working principle of the device, engineers can easily select a component that meets their needs and provide the desired performance for their power supply design.

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