Patent ID: 9236182
Filing Date: 2016-01-12
CPC Classification: H01F

Claim Text:
1. A common mode filter, comprising: a magnetic substrate; a coil layer formed on the magnetic substrate and including a coil pattern; an external electrode formed on the coil layer so as to be electrically connected with the coil pattern; a ground electrode formed on the coil layer and configured to discharge static electricity brought into the external electrode; a post formed on each of the external electrode and the ground electrode; and an electrostatic discharge member formed between the external electrode and the ground electrode so as to cover a side surface of the post and configured to discharge static electricity brought into the external electrode to the ground electrode, wherein the electrostatic discharge member is printed between the external electrode and the ground electrode, and wherein the post prevents the electrostatic discharge member from escaping between the external electrode and the ground electrode.