COMMON MODE FILTER

摘要

In a common mode filter which includes a first coil electrode pattern and a second coil electrode pattern, to improve an insertion loss feature, the common mode filter includes: a first coil electrode pattern and a second coil electrode pattern which are formed on an upper layer and are alternately arranged; and a first coil electrode pattern and a second coil electrode pattern which are formed in a lower layer and are alternately arranged. The outermost pattern of the upper layer and the outermost pattern of the lower layer are the same order coil electrode pattern.