Common-mode choke coil

摘要

A common mode choke coil includes a quadrilateral core 4; first and second core covers 2, 3 disposed opposite to each other on the upper and lower surfaces of the core 4 so as to cover the outer periphery of the core 4; and rectangular copper wires 8 wound on the opposite side portions of the core 4 of the first and second core covers 2, 3. The second core cover 3 is disposed on a component-mounting face. The first and second core covers 2, 3 include a pair of linear portions surrounding the corresponding opposite sides of the core 4 which linear portions constitute winding portions 5. The lower surface of the second core cover 3 has a pedestal portion 6 which protrudes more toward the component-mounting face than the winding portions 5, and extends out along the component-mounting face in a direction perpendicular to axis lines of the winding portions 5. The lower face at the tip of the protruding part of the pedestal portion 6 has seat faces 6a on which parts of the rectangular copper wires 8 drawn from the winding portions 5 toward the component-mounting face are provided as mounting terminals 12. Tip portions of the rectangular copper wires 8 are bent upward from the seat faces 6a at the edge of the tip of the protruding part of the pedestal portion.

主权项

1. A common mode choke coil comprising:
a quadrilateral core; first and second core covers disposed opposite to each other on the upper and lower surfaces of the core so as to cover the outer periphery of the core; and rectangular copper wires extending from the outer peripheries of the first and second core covers and wound on the opposite side portions of the core; wherein the second core cover is disposed on a component-mounting face of a circuit board; wherein the first and second core covers include a pair of linear portions surrounding the corresponding opposite sides of the core which linear portions constitute winding portions of the rectangular copper wires, and the lower surface of the second core cover is provided with a pedestal portion that is integrally formed therewith, wherein the pedestal portion protrudes more toward the component-mounting face than the winding portions, and extends out along the component-mounting face in a direction perpendicular to axis lines of the winding portions; and wherein the lower face at the tip of the protruding part of the pedestal portion is provided with seat faces on which parts of the rectangular copper wires drawn from the winding portions toward the component-mounting face are provided as mounting terminals, and tip portions of the rectangular copper wires are bent upward from the seat faces at the edge of the tip of the protruding part of the pedestal portion.