| 主权项 |
1. A composite electronic component obtained by combining a common mode choke coil and an electrostatic discharge protection element, the composite electronic component comprising:
a component body having a laminated structure composed of a plurality of laminated insulating layers, wherein a coil portion providing the common mode choke coil and a protection element portion providing the electrostatic discharge protection element are disposed so as to be aligned in a lamination direction of the component body, in the coil portion, first and second coil conductors forming the common mode choke coil and magnetically coupled to each other are provided within the component body, in the protection element portion, a ground electrode and first and second discharge electrodes forming the electrostatic discharge protection element are provided within the component body, each of the first and second discharge electrodes being located so as to be spaced apart from the ground electrode at a predetermined interval, a first capacitor electrode opposed to at least portions of the first and second discharge electrodes via the insulating layer in the lamination direction is further provided within the component body, first to fourth coil terminals and a ground terminal are provided on an outer surface of the component body, the first coil terminal is electrically connected to one end of the first coil conductor and the first discharge electrode, the second coil terminal is electrically connected to one end of the second coil conductor and the second discharge electrode, the third coil terminal is electrically connected to another end of the first coil conductor, the fourth coil terminal is electrically connected to another end of the second coil conductor, and the ground terminal is electrically connected to the ground electrode and the first capacitor electrode. |
