Hondark4pcs 38X19X13mm toroid Transformer core Noise Filter ferrite core chokes ferrite Bead toroidal ferrite Ring

4pcs 38X19X13mm Al 12-17uH Toroidal Transformer Core Electronics Inductor Core Filter Ferrite Core Chokes Ferrite Bead Ferrite Ring MnZn

2ea 49X32X15mm Toroidal Transformer Core Ferrite Ring Noise Filter Ferrite Bead Ferrite Chokes Toroid Ferrite Core MnZn PC40