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Is positive and negative pins matter for ECMF4-40A100N10
Can we connect D1+ to DN and D1- to DP (same for the connector (D1+CON to USB_D_N))
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The common mode filter is symmetrical in itself. The pin assignment with + and - is primarily there to have the assignment to the same pin on the connector and on the IC.
As long as you make sure that the correct filter is used (D1 for port 1, D2 for port 2) and DN and DP end up "through the inductance" at the correct pin of the IC, everything is OK.
Does it answer your question?
Regards
/Peter
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