Ferrites and accessories E 14/8/4 Core Series/Type: B66219 Date: September 2006 Data SheetData Sheet EPCOS AG 2006. Reproduction, publication and dissemination of this data sheet and the information contained therein without EPCOS prior express consent is prohibited.E 14/8/4 Core B66219 Delivery mode: single units Magnetic characteristics (per set) 1 l/A= 2.19 mm l = 33.9 mm e 2 A = 15.5 mm e 2 A = 13.1 mm min 3 V = 525 mm e Approx. weight 2.8 g/set Ungapped Material A value P Ordering code L e V nH W/set N30 1250 +30/20% 2170 B66219G0000X130 N27 860 +30/20% 1490 < 0.11 (200 mT, 25 kHz, 100 C) B66219G0000X127 N41 1050 +30/20% 1820 < 0.11 (200 mT, 25 kHz, 100 C) B66219G0000X141 Calculation factors (for formulas, see E cores: general information) Material Relationship between Calculation of saturation current air gap A value L K1 (25 C) K2 (25 C) K3 (25 C) K4 (25 C) K3 (100 C) K4 (100 C) N27 36.8 0.712 44.6 0.847 40.8 0.865 Validity range: K1, K2: 0.03 mm < s < 1.00 mm K3, K4: 30 nH < A < 260 nH L Please read Cautions and warnings and 2 09/06 Important notes at the end of this document.