Ferrite sleeve base with drum core for SMT inductors

摘要

A prismatic sleeve is made of a magnetic material and has a receiving area defined therein. At least two contacting portions are formed on a bottom face of the prismatic sleeve and on opposite sides of the receiving area. The drum core is received in the receiving area and has a coil winding area for winding a coil having two distal ends which are electrically connected to the at least two contacting portions.