UG3KB100GTB

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Diodes are electrical components that play a crucial role in a myriad of electronic devices. One particularly useful type of diode is the bridge rectifier. A bridge rectifier is composed of four diodes arranged in a particular way to allow current to flow in only one direction. The UG3KB100GTB rectifier is a bridge rectifier created by ROHM Semiconductor specifically for use in power supplies. This article will discuss the application field and working principles of the UG3KB100GTB.

The UG3KB100GTB is a three-phase 100V rectifier rated at 3A (0.3 C/W thermal resistance), and is suitable for use with transformer isolated power supplies such as AC-DC adapters and DC-DC converters. The UG3KB100GTB\'s ultra-low profile and small size make it an ideal choice for applications where space is limited. The UG3KB100GTB also has a high surge voltage rating and high temperature operation capabilities (up to +125℃). Additionally, the UG3KB100GTB has built-in self-retaining tabs to provide secure and reliable connections in high vibration environments, making it an excellent choice for a variety of applications.

The UG3KB100GTB is a bridge type rectifier composed of two separate diodes for each phase. This design helps to improve input-to-output current conversion efficiency, offering a 25% higher efficiency than rectifiers composed of four separate diodes.

When an AC voltage is applied, the two diodes on the positive and negative sides of the waveform remain on simultaneously, pulling in and pushing out the waves of current at the same time. This ensures that a continuous flow of current is obtained, even when the waveform is inverted. By pulling in and pushing out the positive waveform at the same time, the output waveform remains steady, increasing converting efficiency and reducing losses significantly.

The main benefit of bridge rectifiers is the improved waveform of the DC output current. The lack of negative voltage eliminates common mode noise, while the nearly constant current waveform improves the stability and response of the power supply. As a result, the UG3KB100GTB is a highly reliable, efficient and effective option for power supply applications.

In summary, the UG3KB100GTB bridge rectifier is an excellent choice for transformer isolated power supplies due to its high temperature operation capabilities, low profile size and reliable connections. Additionally, its two-diode design improves efficiency by 25%, providing a more stable and efficient output waveform. As a result, the UG3KB100GTB is an ideal choice for power supply applications.

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