Ferrite Core Coils. Very small design, e.g. for car hi-fi crossover networks up to medium power rating or as parallel components. Ferrite core coils, Inductance | 1.0 mH | Enam. copper wire (CUL) | Ø 0.65 mm | Power rating 8 Ω/4 Ω | 60 WRMS/30 WRMS | DC resistance | 0.3 Ω | Dimensions | Ø 23 mm x 18 mm | |