Multilayer lc filter

A multilayer LC filter comprising:

• a multilayer body having a rectangular or substantially rectangular parallelepiped shape in which a plurality of dielectric layers are laminated;
• a first input/output terminal and a second input/output terminal provided on an outer surface of the multilayer body;
• at least one ground terminal provided on the outer surface of the multilayer body;
• a plurality of inductor conductor patterns provided in interlaminar areas of the dielectric layers;
• a plurality of capacitor conductor patterns provided in interlaminar areas of the dielectric layers;
• and
• at least one ground conductor pattern provided in an interlaminar area of the dielectric layers;
• wherein
• each of a first inductor, a second inductor, a third inductor, and a fourth inductor is defined by the inductor conductor pattern;
• each of a first capacitor, a second capacitor, a third capacitor, and a fourth capacitor is defined by capacitance generated between the capacitor conductor pattern and the ground conductor pattern;
• the first inductor and the first capacitor are connected in parallel to define a first LC parallel resonator, the second inductor and the second capacitor are connected in parallel to define a second LC parallel resonator, the third inductor and the third capacitor are connected in parallel to define a third LC parallel resonator, and the fourth inductor and the fourth capacitor are connected in parallel to define a fourth LC parallel resonator;
• the first LC parallel resonator, the second LC parallel resonator, the third LC parallel resonator, and the fourth LC parallel resonator are connected in this order between the first input/output terminal and the second input/output terminal to define a four-stage multilayer LC filter;
• the multilayer body includes a first planar region and a second planar region when viewed in a lamination direction of the dielectric layers;
• the multilayer body includes a first thickness region and a second thickness region each having a predetermined thickness in the lamination direction of the dielectric layers when viewed in a direction perpendicular or substantially perpendicular to the lamination direction of the dielectric layers;
• when the multilayer body is viewed in the lamination direction of the dielectric layers, the first inductor and the second inductor are provided in the first planar region, and the third inductor and the fourth inductor are provided in the second planar region;
• and
• when the multilayer body is viewed in the direction perpendicular or substantially perpendicular to the lamination direction of the dielectric layers, the first inductor and the fourth inductor are provided in the first thickness region and the second inductor and the third inductor are provided in the second thickness region, or the first inductor and the third inductor are provided in the first thickness region and the second inductor and the fourth inductor are provided in the second thickness region.