Coil component

A coil component comprising:

• a drum core having a winding core part extending in an axial direction, a first flange part provided on one end of the winding core part in the axial direction, and a second flange part provided on other end of the winding core part in the axial direction;
• a first terminal electrode provided on the first flange part;
• a second terminal electrode provided on the second flange part;
• a wire wound around the winding core part, the wire having a first end connected to the first terminal electrode and a second end connected to the second terminal electrode;
• a first layer fixed to the first and second flange parts;
• and
• a second layer covering the first and second flange parts with an intervention of the first layer,
• wherein the second layer includes magnetic powder and binder resin while the first layer is substantially free from magnetic powder,
• wherein the second layer has a lower surface facing the first layer and an upper surface positioned an opposite side to the lower surface, and
• wherein a density of the binder resin is higher at a surface layer part on the upper surface side than at a surface layer part on the lower surface side.

A coil component comprising:

• a drum core having a winding core part extending in an axial direction, a first flange part provided on one end of the winding core part in the axial direction, and a second flange part provided on other end of the winding core part in the axial direction;
• a first terminal electrode provided on the first flange part;
• a second terminal electrode provided on the second flange part;
• a wire wound around the winding core part, the wire having a first end connected to the first terminal electrode and a second end connected to the second terminal electrode;
• a first layer fixed to the first and second flange parts;
• and
• a second layer covering the first and second flange parts with an intervention of the first layer and including magnetic powder and binder resin,
• wherein the first layer having a thermal expansion coefficient falling between a thermal expansion coefficient of the second layer and a thermal expansion coefficient of the drum core,
• wherein the second layer has a lower surface facing the first layer and an upper surface positioned an opposite side to the lower surface, and
• wherein a density of the binder resin is higher at a surface layer part on the upper surface side than at a surface layer part on the lower surface side.