Found 7 alternatives for 0805USB-421MLC by COILCRAFT. Common Mode Chokes — 0805 (2012 Metric).
CMC 47NH 500MA 2LN SMD
CMC 189NH 500MA 2LN SMD
CMC 413NH 400MA 2LN SMD
CMC 322NH 500MA 2LN SMD
CMC 84NH 500MA 2LN SMD
CMC 273NH 500MA 2LN SMD
CMC 147NH 500MA 2LN SMD