https://www.electronicdesign.com/technologies/components/passives/article/21759090/common-mode-inductors-filter-out-emi
Common Mode Inductors Filter Out EMI | Electronic Design
The filtering out of high-frequency EMI noise in sensitive circuits is the forte of four new off-line, through-hole and three surface-mount common mode filter...
common mode inductorsfilter outemielectronicdesign