CPFC54-471C is a Common Mode Choke/Filter manufactured by Sumida. It is a ferrite core, EMI suppression filter designed to filter out high frequency oscillations, or noise, on the output and input lines of electronic equipment. Its high attenuation characteristics help reduce electromagnetic interference in the frequency range of 150 KHz to several hundred MHz. The CPFC54-471C is available in a variety of package sizes (0805, 1206, 1410, 1812) making it ideal for use in a wide range of applications. Its excellent high-frequency attenuation characteristics make it suitable for use in automotive electronic equipment, industrial control systems, home appliances, CE products, and other sensitive equipment.