COIL COMPONENT

COIL COMPONENT

The coil component includes a coil, a first core having a first magnetic permeability, and a second core having a second magnetic permeability lower than the first magnetic permeability. The first core and the second core form a magnetic path. The coil forms two or more winding windows. The first co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SOBASHIMA, Takashi, HOSHI, Norimitsu, UEHARA, Naohisa, ABE, Yuki, AKAKI, Keisuke, KONDO, Masahiro, KAWAMURA, Mao, ENDOU, Takuya, TANABE, Hayato
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Beschreibung
Zusammenfassung:The coil component includes a coil, a first core having a first magnetic permeability, and a second core having a second magnetic permeability lower than the first magnetic permeability. The first core and the second core form a magnetic path. The coil forms two or more winding windows. The first core contacts with an entirety of one side line extending in a second direction of each of the winding windows, and protrudes from both ends of one side line of at least one of the winding windows. The second core contacts with three side lines other than the one side line of each of the winding windows. A surface resistance of the first core between two points that are 20 mm away from each other is not less than 5 Ω after a high-temperature storage test. A drive frequency of the coil component is not less than 20 kHz.