Ferrites and accessories ETD 39/20/13 Core and accessories Series/Type: B66363, B66364 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.ETD 39/20/13 Core B66363 To IEC 61185 For SMPS transformers with optimum weight/performance ratio at small volume Delivery mode: single units Magnetic characteristics (per set) 1 l/A = 0.74 mm l = 92.2 mm e 2 A = 125 mm e 2 A = 123 mm min 3 V = 11500 mm e Approx. weight 60 g/set Ungapped Material A value B * P Ordering code L e S V nH mT W/set N27 2550 +30/20% 1500 320 < 2.22 (200 mT, 25 kHz, 100 C) B66363G0000X127 N87 2700 +30/20% 1600 320 < 6.00 (200 mT, 100 kHz, 100 C) B66363G0000X187 N97 2800 +30/20% 1650 320 < 5.10 (200 mT, 100 kHz, 100 C) B66363G0000X197 * H = 250 A/m f = 10 kHz T = 100 C Gapped Material g A value Ordering code L e approx. ** = 27 (N27) mm nH ** = 87 (N87) N27, 0.100.02 1062 622 B66363G0100X1** N87 0.200.02 639 374 B66363G0200X1** 0.500.05 326 191 B66363G0500X1** 1.00 0.05 196 115 B66363G1000X1** 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) N27 196 0.734 308 0.847 287 0.865 N87 196 0.734 300 0.796 280 0.873 Validity range: K1, K2: 0.10 mm < s < 3.00 mm K3, K4: 90 nH < A < 850 nH L Please read Cautions and warnings and 2 06/13 Important notes at the end of this document.