Ferrites and accessories E5 Core Series/Type: B66303 Date: June 2013 Data SheetData Sheet EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited. EPCOS AG is a TDK Group Company. E5 Core B66303 E 5 through E 80/38/20 To IEC 61246 For small impedance-matching transformers in telecom applications For miniature transformers, e.g. DC/DC converters for surface mounting Delivery mode: single units Magnetic characteristics (per set) 1 l/A = 4.86 mm l = 12.6 mm e 2 A = 2.6 mm e 2 A = 2.5 mm min 3 V = 33 mm e Approx. weight 0.16 g/set Ungapped Material A value Ordering code L e nH N87 270 +30/20% 1000 B66303G0000X187 T38 1400 +40/30% 5190 B66303G0000X138 Please read Cautions and warnings and 2 06/13 Important notes at the end of this document.