2set EF20 horizontal 5+5pins 20mm 10mm 5mm Ferrite Cores and bobbin, transformer core, inductor coil
We use the Polyethylene foamed sheet to protect the ferrite cores and bobbins, then use the air column, don't worry!
EF20 5+5pins Ferrite Cores
AL=1950±25%
core size(mm): (the third picture)
A:20.0±0.4
each set =2 ferrite halves + 1 bobbin