Panasonic Electronic Components' manufactures magnetically shielded and general use Leaded Choke Coils. The magnetically shielded series are, ELC-10E-L, ELC-12E-L, ELC-15E-L , and ELC-18E-L while the general use series includes, ELC-09D, ELC-11D, ELC-12D, ELC-16B, and ELC-18B. Both types are primarily used for noise filtering and energy storage applications.