EFD kerne,EFD core,EEM core,EER Kerne,EFD-kern,coil former core,FD10,EFD12,EFD13,EFD15,EFD20 China Professional Ferrite Core Supplier p EFD CORES Introduce of EFD core EFD core is good for low profile, and the series of EFD cores contain FD10, EFD12, EFD13, EFD15, EFD20, EFD25, EFD30, EEM8, EEM10, EEM12, EEM13, etc. Standard EFD core sizes for low profile surface mount and PC Board mount transformers that are economically manufactured on our automatic winding and assembly equipment. For customers who need low profile switching transformers,our product packs up to 110 watts into a transformer only one half an inch high Application of EFD core: The core type used depends mainly on size restraints. EFD cores are used when a low profile is required. EFD core can also be used depending on particular requirements such as height restrictions etc. The application field of EFD core is widely including flyback transformers, EMI-Bead Cores, furnace transformer core, ferrite six-hole core, Ferrite Bead Cores, coil former core, etc. FD12,EFD13,EFD15,EFD20 core can also be used depending on particular requirements such as height restrictions etc. The application field of EFD core is widely including flyback transformers, EMI-Bead Cores, furnace transformer core, ferrite six-hole core, Ferrite Bead Cores, coil former core, etc. Type EFD10 EFD12 EFD13 EFD15 ED15A A 10.5±0.3 12.5±0.3 13.6±0.3 15.0±0.4 15.0±0.5 B 5.2±0.1 6.2±0.2 8.8±0.15 7.5±0.15 7.5±0.2 EFD20 20.0±0.55 10.0±0.25 C 2.7±0.1 3.5±0.1 3.7±0.2 4.65±0.15 4.7±0.2 6.65 +0.2 EFD20A EFD25 EFD25A EFD30 EFD30A 20.0±0.6 25.0±0.65 25.0±0.7 30.0±0.8 30.0±0.9 10.0±0.3 12.5±0.25 12.5±0.3 15.0±0.25 15.0±0.3 6.7±0.2 9.1±0.2 9.1±0.3 9.1±0.3 9.1±0.3 -0.15 Dimensions(mm) D E 4.6±0.2 7.65±0.3 5.4±0.2 9.0±0.3 6.0±0.15 10.0±0.25 5.3±0.15 11.0±0.35 5.3±0.3 11.0±0.4 F 3.75±0.15 4.5±0.2 7.0±0.15 5.5±0.25 5.5±0.3 G 0.2±0.1 0.2±0.1 8.9±0.2 15.4±0.5 7.7±0.25 3.6±0.2 8.9±0.2 11.4±0.2 11.4±0.3 14.6±0.3 14.6±0.4 15.4±0.5 18.7±0.6 18.7±0.7 22.4±0.75 22.4±0.8 7.7±0.3 9.3±0.25 9.3±0.3 11.2±0.3 11.2±0.3 0.2±0.1 5.2±0.25 0.6±0.1 4.9±0.15 0.8±0.2 C1 (mm1) EFD10 3.3 EFD12 2.5 EFD13 3.07 EFD15 2.27 ED15A 2.27 EFD20 1.52 EFD20A 1.52 EFD25 1.0 EFD25A 1.0 EFD30 0.985 EFD30A 0.98 Ae (mm2) 7.2 11.4 12.6 15 15.0 31.0 31.0 58.0 58.0 69.0 69.0 Ie (mm) 23.7 28.5 38.7 34.0 34.0 47.0 47.0 57.0 57.0 68.0 68.0 2.4±0.2 3.6±0.2 5.2±0.3 4.9±0.3 Al(nH/N2 )±30% Core parameter Type 2.4±0.1 0.2±0.1 H 1.5±0.2 2.0±0.2 2.0±0.15 Ve (mm3) 171 325 487 510 510 1460 1460 3300 3300 4700 4700 weight (g/pr. ) 0.9 1.7 2.5 6.8 2.8 7.4 7.0 16.6 16 24 24 F2BD 2000 2050 Al:1kHz,0.5mA,100Ts Pc:100kHz,200mT,100 ( F2B1) Copyright 2005 YUXIANG Magnetic Materials Ind. Co.,Ltd.All Rights Reserved. Add:16F1,jinyuan building,NO.57,hubin S.Rd.,Xiamen,China.361004 Tel : (86)592 2225286 (86)592 2219816 (86)592 2217138 Fax: (86)592 2207122 Email : [email protected] [email protected] F2B1 500 700 630 780 700 1200 1150 1800 2000 2050 1900 PC(max) F2B1 0.095 0.18 0.27 0.28 0.8 1.8 2.59