UU9.8/UU10.5 Common Mode Choke Inductor Filter 5MH 10MH 15MH 20MH 30MH 40MH 50MH. Model :UU10.5 - 10mmx13mm. Model :UU9.8 -7mmx8mm. Inductor winding differential mode, eliminate the inductor. 2、Differential mode inductor winding, eliminating the inductive choke generated by the inductor itself.