International Rectifier company (hereinafter referred to as the IR, the New York Stock Exchange code IRF) is a global power semiconductor and management scheme leading manufacturers.IR analog and mixed signal integrated circuits, advanced circuit devices, integrated power systems and components widely used drive for high performance computing and reduce motor energy consumption (motor is the world’s largest energy consuming equipment), many international well-known manufacturers to develop the next generation of computers, energy-saving appliances, lighting equipment, cars, satellite systems, aerospace and defense systems of power management reference.