Ferrites and accessories ETD 39/20/13 Core and accessories Series/Type: B66363, B66364 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. 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.