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International Rectifier (IR) (Symbol:IRF--NYSE) is a pioneer and world leader in advanced power management technology, from digital, analog and mixed-signal ICs to advanced circuit devices, power systems and components. The world's leading manufacturers of computers, appliances, automobiles, consumer electronics and defense systems rely on IR technology to drive the performance and efficiency of their products.

Vishay is the world's largest manufacturers of discrete semiconductors and passive components manufacturers, which for industrial, computing, automotive, consumer, telecommunications, military, aerospace, and medical industries for various types of electronic equipment.


STMicroelectronics is one of the world¡¯s largest semiconductor companies with net revenues of US$ 8.49 billion in 2012. Offering one of the industry¡¯s broadest product portfolios, ST serves customers across the spectrum of electronics applications with innovative semiconductor solutions by leveraging its vast array of technologies, design expertise and combination of intellectual property portfolio, strategic partnerships and manufacturing strength.


As the world top 3 integrated circuit producer, TI has been innovating and impacting the world for nearly 80 years. And become the pioneer for analog, DSP and wireless semiconductor. With strong design and technical support, Texas Instruments becomes the most reliable partner for its customers.