CHIP TYPE COMMON MODE CHOKE COIL - MURATA MANUFACTURING CO

Title:

CHIP TYPE COMMON MODE CHOKE COIL

Document Type and Number:

Japanese Patent JPH0737734

Kind Code:

A

Abstract:

PURPOSE: To obtain a chip type common mode choke coil which has high impedance to common node noise and low impedance to a normal mode signal.

CONSTITUTION: A coil part 18 consists of magnetic sheets 1-4 wherein coil conductors 5-8 are formed on the respective upper surfaces. Leading-out parts 47, 48 consists of magnetic sheets 21-27 wherein leading-out conductors 30-33 are formed on the respective upper surfaces. The coil part 18 is laminated so as to be sandwiched between the leading-out parts 47, 48. In the state of lamination, the leading-out conductors 30-33 are electrically connected with the coil conductors 5, 7, 6, 8, respectively, through viaholes 37, 38, 39, 9, 40, 15, 14, 42, 41, 16.

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Inventors:

KANEKO TOSHIMI
TOKUDA HIROMICHI
KOBAYASHI HIROFUMI

Application Number:

JP18237093A

Publication Date:

February 07, 1995

Filing Date:

July 23, 1993

Export Citation:

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Assignee:

MURATA MANUFACTURING CO

International Classes:

H01F37/00; (IPC1-7): H01F37/00

Attorney, Agent or Firm:

Morishita Takeichi

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