2 layers133.4 × 201.3 mm

The Z30 is a common Mode Filter made by Ohmite with 1 pins. 2 20A 85mΩ - Color Ring Inductors / Through Hole Inductors.
JLCPCB lists it (part C3211441). 1 open-source board in 1 repository on GitHub use it.
The library has no symbol for this part yet.
The library has no footprint for this part yet.

Ohmite publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C3211441, with 0 in stock; the sellers' links on this page open their listings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.