TVB190NSB-L Circuit Protection

Thyristors are an important part of power electronics technology. The TVB190NSB-L is a specialize thyristors designed to provide a robust and reliable performance in a wide range of applications. It is manufactured in a planar process with double-side metalization for improved thermal performance in high current applications. This article will discuss the application fields and working principles of the TVB190NSB-L.

Application Fields of the TVB190NSB-L

The TVB190NSB-L has a wide range of applications due to its superior characteristics. It is ideally suited for use in AC/DC conversion, motor control, battery charging, welding, and many more. Its wide voltage range and low power loss make it attractive for use in high-demand applications that require an efficient and reliable solution. Additionally, its planar process and double-side metalization makes it robust enough for use in several high-current applications.

Working Principle of the TVB190NSB-L

The TVB190NSB-L is a unidirectional thyristor that is triggered using a positive gate current. It operates in four distinct cycles (four steps) to generate energy: Breakdown, Saturation, Holding, and Recovery. In the breakdown phase, it begins to conduct current when a positive potential difference is applied between the anode and cathode. This phase is characterized by high on-state resistance. In the saturation phase, the thyristor’s on-state resistance decreases and it begins to conduct current more easily. In the holding phase, the thyristor is fully open and is capable of conducting high currents. Finally, in the recovery phase, the voltage across the thyristor begins to drop and the on-state resistance increases again.

The TVB190NSB-L is specifically designed to reduce switching time and maintain a low on-state resistance. The built-in power limiting device prevents overloading and the double-side metalization improves thermal performance in high-current applications. Additionally, it is manufactured with a planar processes to reduce thermal stress and improve reliability.

Conclusion

The TVB190NSB-L is a specialized thyristor designed to offer a reliable and efficient performance in a wide range of applications. It uses a planar process and double-side metalization to improve its thermal performance and allow it to be used in high-current applications. Additionally, it operates in four distinct cycles (breakdown, saturation, holding, and recovery) to generate energy. All these features make the TVB190NSB-L an ideal choice for use in AC/DC conversion, motor control, battery charging, and welding.