Ferrites and accessories PM 74/59 Core and accessories Series/Type: B65686, B65687 Date: June 2013 Data SheetData Sheet EPCOS AG 2013. Reproduction, publication and dissemination of this data sheet and the information contained therein without EPCOS prior express consent is prohibited.PM 74/59 Core B65686 To IEC 61247 Particularly suitable for power transformers and energy storage chokes Delivery mode: sets Magnetic characteristics (per set) 1 l/A = 0.162 mm l = 128 mm e 2 A = 790 mm e 2 A = 630 mm min 3 V = 101000 mm e Approx. weight 460 g/set Gapped Material A value s Ordering code L e approx. nH mm N27 315 3% 3.80 41 B65686A0315A027 630 3% 1.50 81 B65686A0630A027 Ungapped Material A value P Ordering code L e V nH W/set N27 10000 +30/20% 1290 < 7.5 (150 mT, 25 kHz, 100 C) B65686A0000R027 N87 10000 +30/20% 1290 < 9.6 (100 mT, 100 kHz, 100 C) B65686A0000R087 Please read Cautions and warnings and 2 06/13 Important notes at the end of this document.