| 摘要 |
PROBLEM TO BE SOLVED: To provide a laminated common mode choke coil excellent in magnetic coupling between coils. SOLUTION: Coil conductors 11 to 14 are connected electrically in series to coil conductors 15 to 18 through via holes formed in insulating sheets to form spiral coils La and Lb. The distance D (mm) between the neighboring coils La and Lb and the thickness (a) (mm) of the respective coils La and Lb are designed so as to satisfy the following equation (1), D+0.34×a-0.39<=0, where 0<D<=0.39, 0<=a<=1.14.
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