A great guide (PDF) to electromagnetic compatibility from Murata
International regulations regarding electromagnetic compatibility (EMC) affect many aspects of circuit and system design. However, there are many techniques that can be applied generally to reduce both the emissions from and susceptibility to, electromagnetic interference (EMI).
As a manufacturer of electronic components, Murata Power Solutions is committed to minimizing emissions from its own components and to helping its customers achieve EMC compliance by correct component choice and design. To this end Murata Power Solutions has compiled the following list of general design recommendations.