Abstract: A coil electronic component includes a body including a coil portion disposed therein, and including a plurality of magnetic particles, and external electrodes connected to the coil portion. The body includes an internal region and a protective layer disposed on a surface of the internal region. A first particle of the plurality of magnetic particles included in the protective layer includes an oxide film disposed on a surface of the first particle, and a second particle, having a size greater than a size of the first particle, of the plurality of magnetic particles includes a coating layer disposed on a surface of the second particle and having a composition different from a composition of the oxide film.

Abstract: A coil component includes a support substrate, a coil portion disposed on at least one surface of the support substrate, a magnetic body, in which the support substrate and the coil portion are disposed, having a through-portion penetrating through a center of the coil portion, a nonmagnetic layer disposed below the through-portion, and an insulating layer disposed between the nonmagnetic layer and the through-portion.

Abstract: A coil component includes a body comprising a support member and a coil portion embedded in one surface of the support member; and external electrodes connected to the coil portion, wherein the body comprises a plurality of metal particles, at least some of the plurality of metal particles comprises a plastically deformable first particle, and at least some of the first particles have a deformed surface and thus have a shape corresponding to a surface of a neighboring magnetic metal particle.

Abstract: A coil component includes a body having a first surface and including first and second recessed-cutout portions spaced apart from each other on the first surface of the body, a support substrate, a coil unit disposed on the support substrate to be perpendicularly to the first surface of the body, and first and second external electrodes spaced apart from each other on the first surface of the body and connected to first and second lead patterns of the coil unit, respectively. The first and second external electrodes include conductive resin layers filling the first and second recessed-cutout portions to be in contact with the first and second lead patterns, each of the conductive resin layers having a first surface exposed to the first surface of the body, and the first and second external electrodes further include electrode layers disposed on the first surfaces of the conductive resin layers.

Abstract: A coil component includes: a body having a first surface and a second surface opposing each other, and a side surface connecting the first surface and the second surface to each other; a support member disposed in the body; a coil unit disposed in the body and including a coil pattern disposed on the support member, and first and second lead patterns respectively extending from the coil pattern and exposed to the first surface of the body; a first insulating layer disposed on the first surface of the body and having first and second openings exposing at least a portion of the first and second lead patterns, respectively; and a second insulating layer covering the side surface of the body.

Abstract: A coil component includes a resin; and a magnetic particle dispersed in the resin and comprising magnetic powder particle, an insulating layer disposed on a surface of the magnetic powder particle, and a surface-treatment layer disposed on a surface of the insulating layer.

Abstract: A coil component includes a body, a support substrate disposed in the body, a coil unit disposed on the support substrate to be perpendicular to a first surface of the body and including first and second lead-out portions exposed to first surface of the body and spaced apart from each other, first and second external electrodes disposed to be spaced apart from each other on the first surface of the body and connected to the first and second lead-out portions, respectively, a slit portion formed in a region of one surface of the body between the first and second external electrodes, and a slit insulating layer disposed in the slit portion.

Abstract: A coil component includes a support substrate, a coil portion disposed on at least one surface of the support substrate, a magnetic body, in which the support substrate and the coil portion are disposed, having a through-portion penetrating through a center of the coil portion, a nonmagnetic layer disposed below the through-portion, and an insulating layer disposed between the nonmagnetic layer and the through-portion.

Abstract: A coil component includes a body comprising a support member and a coil portion embedded in one surface of the support member; and external electrodes connected to the coil portion, wherein the body comprises a plurality of metal particles, at least some of the plurality of metal particles comprises a plastically deformable first particle, and at least some of the first particles have a deformed surface and thus have a shape corresponding to a surface of a neighboring magnetic metal particle.

Abstract: A coil electronic component includes a body including a coil portion disposed therein, and including a plurality of magnetic particles, and external electrodes connected to the coil portion. The body includes an internal region and a protective layer disposed on a surface of the internal region. A first particle of the plurality of magnetic particles included in the protective layer includes an oxide film disposed on a surface of the first particle, and a second particle, having a size greater than a size of the first particle, of the plurality of magnetic particles includes a coating layer disposed on a surface of the second particle and having a composition different from a composition of the oxide film.