The B65815E0160A041 is a Ferrite Cores & Accessories RM 12 N41 160 +3%- 3% manufactured by TDK. It is a ferrite material that is used for various purposes such as magnetic shielding, impedance control, filter components, high frequency inductors, and transformers. It is made from a mixture of ceramic and iron oxide which is formed into a dough-like material that is allowed to age, to help it develop its properties. The core size is 12mm, it is rated at 160O ±3% to ± 3%, and it has an A48 mold reducing size. This product can help protect electronic circuits from noise interference, and is suitable for applications such as power supplies, communication equipment, displays, and various other electronic parts.