| 摘要 |
PROBLEM TO BE SOLVED: To suppress the leakage of flux to the top face side of a wound coil component 1 small when mounting the wound coil component 1 on a circuit board. SOLUTION: A winding 5 is wound around the winding core 3 of a core member 2 to form the wound coil component 1. Flange parts 4 (4A and 4B) on both sides of the winding core 3 have such a shape as to hang over laterally and on the bottom face side but not hang over on the top face side when the wound coil component 1 is mounted on the circuit board 7. The top face-sides of the flange parts 4 (4A and 4B) are so formed as to be flush with a plate surface on the top face side of the plate-like winding core 3 or lower than that. A magnetic path of magnetic flux generated by the coil consisting of the winding wire 5 is regulated by the particular shape of the flange parts 4, and the magnetic path is hardly formed on the top face side of the winding core 3, resulting in suppressing the leakage of flux to the top face side small. COPYRIGHT: (C)2005,JPO&NCIPI |
