Taiwan Semiconductor Corporation (TSC) is a professional semiconductor company founded in 1979. Its headquarters is located in the Hsinchu Science Park in Taiwan. The company is an important global supplier in the field of discrete semiconductor devices, particularly in the diode product line. 

TSC is an expert enterprise specializing in discrete semiconductor devices. Its main business covers the design, manufacturing and sales of diodes, rectifiers and related protection devices. For example, the TS4148RYG high-speed switching diode that you previously inquired about is one of its flagship products. Over the years, the company has focused on the diode market segment and is committed to providing high-reliability, high-performance and cost-effective product solutions to meet the core requirements for the stability of basic components in various fields such as consumer electronics, industrial control and automotive electronics. 

With over four decades of in-depth industry experience, TSC has established a market positioning centered around "diode experts". Its products are renowned for their complete specifications and stable quality. They have gained a solid reputation among engineers and purchasing circles and are one of the key participants in the basic component segment of the global electronic industry chain.