Coil component and manufacturing method of the coil component

A method for manufacturing a coil component wherein a plurality of coils including round wires arranged in alignment and wound in multiple layers are wound around a bobbin, the method comprising:

• a preparation step of setting the bobbin in an automatic winding machine;
• a step arranging two round wires in parallel and guiding the two round wires to a winding portion of the bobbin after the preparation step;
• and
• an automatic winding step winding the two round wires around the winding portion by the automatic winding machine,
• wherein the bobbin comprising:
• a flange portion provided at both ends of the winding portion in the winding axis direction;
• and
• a wall portion provided between adjacent coils and standing from the winding portion,
• Wherein the flange portion comprising:
• an opening through which the round wires are pulled out;
• and
• an inclined guide spreading toward the opening,
• Wherein the winding portion comprising:
• a groove portion in which the round wires as the first layer is fitted;
• and
• a step provided between the flange portion and the groove portion and protruding from the winding portion,
• wherein the wall portion includes different standing angles on side surfaces perpendicular to the winding axis direction.