Material:CRGO/CRNGO(Z11,H12,H14,H18,H20,H50…) Standard: EI24-EI114(perforate or imperforate) Shape: EI, EE, TL, UI. Special standard: Special dimension and style cores produced according to customers specifications. Application: electronic transformer, induction coil, ballast. Performance: power rating : 1-1000(W) Model: EI24-EI114 Certificated: TUVISO9001:2000, TUVISO9002 and RoHS