Patent ID: 9672972
Date: 2017-06-06
CPC Classifications: H01F

Claim:
1. A winding component comprising: a bobbin having flanges formed at axially opposite ends of a tubular winding part; a coil wound around the winding part of the bobbin; and a core that surrounds an outer circumference of the coil and end surfaces of the flanges to form a closed magnetic circuit, wherein the bobbin further includes: notches through which end portions of the coil are drawn outward so formed in the flanges that each of the notches extends radially inward from an outer circumferential edge of the corresponding flange, a wall that surrounds each of the notches so provided that the wall stands axially outward on each of the flanges, a thick portion formed in the winding part in correspondence with the notches and made thicker than other portions of the winding part, the thick portion having an egg-like shape formed in a cross section of the winding part taken along the radial direction thereof, and a lid formed of a sidewall that is disposed between an outer circumferential surface of the wall and the core and covers an outer circumferential surface of the wall, and a top plate formed at an axially outer end of the sidewall, and covers an opening in the wall.