DR2W Ferrite Core Drum Ferrite For Radial Leaded Inductor,NiZn ferrite bead The DR2W series radial lead inductor drum core is manufactured using high-quality Mn-Zn power ferrite material , specifically designed for computer disk drives and PC board EMI filtering, ensuring high quality and stable performance. The product features a robust and reliable structure . It offers matched bobbins and ground gap services , and complies with UL, RoHS, SGS, and ISO certification