We use the Polyethylene foamed sheet to protect the ferrite cores and bobbins.

Material type: PC40 (TDK) = 3C90 (Ferroxcube) = N67 (EPCOS)

5set EE22 5+5pins Ferrite Cores
AL=1790±25%
 
Core size(mm): (the 2nd picture)
   A: 22.5±0.5
   B: 9.5±0.3
   C: 5.5±0.3
   D: 5.5±0.3
   E: 16min
   F: 5.6±0.5

   C1: 1.29mm^-1
   Le: 41.2mm
   Ae: 31.9mm^2
   Ve: 1750mm^3

5SET =10 ferrite halves + 5 bobbin