Common mode filter
US9444250B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2013 |
| Grant date | Sep 13, 2016 |
| Priority date | — |
| Expiry date | Apr 1, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is a common mode filter, including: first and second coil layers electromagnetically coupled to each other; a pair of external terminals connected to ends of the first coil layer and a pair of external terminals connected to ends of the second coil layer; a first ESD prevention member connecting between the pair of external terminals carrying electric current with the first coil layer and a second ESD prevention member connecting between the pair of external terminals carrying electric current with the second coil layer; and a ground electrode connecting the first ESD prevention member to the second ESD prevention member, wherein the ground electrode has a stepped portion formed at the center.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.