B66414W1008D1 TDK

Ferrites and accessories EFD 15/8/5 Core and accessories Series/Type: B66413, B66414 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. EFD 15/8/5 Core B66413 E core with flattened, lower center leg for especially flat transformer design For DC/DC converters Delivery mode: single units Magnetic characteristics (per set) 1 l/A = 2.27 mm l = 34 mm e 2 A = 15 mm e 2 A = 12.2 mm min 3 V = 510 mm e Approx. weight 2.8 g/set Ungapped Material A value P Ordering code L e V nH W/set N49 600 +30/20% 1080 < 0.11 ( 50 mT, 500 kHz, 100 C) B66413G0000X149 N87 780 +30/20% 1400 < 0.28 (200 mT, 100 kHz, 100 C) B66413G0000X187 N97 820 +30/20% 1480 < 0.23 (200 mT, 100 kHz, 100 C) B66413G0000X197 Gapped Material A value g Ordering code L e nH approx. mm N87 100 10% 180 0.17 B66413U0100K187 160 15% 288 0.08 B66413U0160L187 The A value in the table applies to a core set comprising one ungapped core (dimension g = 0) and L one gapped core (dimension g > 0). 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) N87 29.7 0.676 44.2 0.796 33.2 0.873 Validity range: K1, K2: 0.10 mm < s < 1.00 mm K3, K4: 30 nH < A < 280 nH L Please read Cautions and warnings and 2 06/13 Important notes at the end of this document.