EI-33 Magnetic Ferrite Core For High Frequency Transformers, Choke Coils, Inductors etc. Core shape: EI-33, Size: L=33mm (1.3'') W = 12.5mm (0.49'') H = 29mm (1.14"), Set : One E and One I Ferrites, with One Bobbin..
EI-40 Magnetic Ferrite Core For High Frequency Transformers, Choke Coils, Inductors etc. Core shape: EI-40, Size: L=40mm (1.57'') W = 11.7mm (0.46'') H = 35.3mm (1.39"), Set : One E and One I Ferrites, with One Bobbin..