To provide a multilayer composite electronic component in which coupling between a capacitor and an inductor can be reduced while reducing the size.
Capacitors C0 and C17 and inductors Lx (L3, L6, L9 and L10) are provided internally by laying a plurality of dielectric layers 3a-3l in layers along with conductors. The direction of the winding core of the inductors Lx is perpendicular to the layering direction of the dielectric layers. The capacitors C0 and C17 are formed side by side while arranging the capacitor electrodes from the uppermost layer 5h to the lowermost layer 5k of a conductor pattern forming the inductors Lx and/or on the layers between the uppermost layer 5h and the lowermost layer 5k.
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