EE / EF EFD EPC ER / EER LP UU RM EP UI SQI POT PT / CT ET / UT RH RID RODS DRUM PLANAR DRUM (SHIELD) ERI 12.5 MICRO GAP FB   UR LAN Inductance Toroids 1 LAN Inductance Toroids 2 Toroidal Cores OD 6~12m/m Toroidal Cores OD 12~20m/m Toroidal Cores OD 22~40m/m