20Packaging Information

Packaging of EMI filters is a very important subject and is often critical to the performance of the filter and the rest of the electronics that it is protecting. Component placement, proximity, and layout is important in all fields of electronics. However, components that are susceptible to H fields must be moved away from these fields, and wiring or printed circuit board traces must be as short as possible. There are two basic types of packaging solutions for EMI filters. These are: (a) directly connected components that are then potted and (b) the use of a PCB using conventional component placement techniques in order to reduce H field effects whilst maintaining low-inductance interconnects. These criteria present ...

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