B66365

www.DataSheet4U.com ETD 44/22/15 Core I In accordance with IEC 61185 I Quality assurance per UTE 83313-003/ B66365 CECC 25 301-003 (material N27) I For SMPS transformers with optimum weight/performance ratio at small volume I ETD cores are supplied as single units Magnetic characteristics (per set) 22,5 _ 0,4 16,1+0,8 Σl/A le Ae A min Ve = 0,6 mm–1 = 103 mm = 173 mm2 = 172 mm2 = 17 800 mm3 15,2 _ 0,8 15,2 _ 0,8 32,5+1,6 _ 0,8 43,8 +1,2 FEK0057-6 Approx. weight 94 g/set Ungapped Material N27 N87 N97 1) AL value nH µe A L1min P V nH W/set Ordering code 3300 + 30/– 20 % 1560 2640 3500 + 30/– 20 % 1650 2640 3600 + 30/– 20 % 1720 2640 < 3,48 B66365-G-X127 (200 mT, 25 kHz, 100 °C) < 9,40 B66365-G-X187 (200 mT, 100 kHz, 100 °C) < 8,00 B66365-G-X197 (200 mT, 100 kHz, 100 °C) Gapped Material g mm N27, N87 0,20 ± 0,02 0,50 ± 0,05 1,00 ± 0,05 1,50 ± 0,05 A L value approx. nH 862 438 262 194 µe Ordering code ** = 27 (N27) ** = 87 (N87) B66365-G200-X1** B66365-G500-X1** B66365-G1000-X1** B66365-G1500-X1** 407 207 124 92 The A L value in the table applies to a core set comprising one ungapped core (dimension g = 0) and one gapped core (dimension g > 0). 1) Preliminary data 488 08/01 g ETD 44/22/15 Core Calculation factors (for formulas, see “ E cores: general information”, page 382) Material Relationship between air gap – A L value K1 (25 °C) N27 N87 Validity range: 262 262 K2 (25 °C) – 0,74 – 0,74 Calculation of saturation current K3 (25 °C) 420 420 K4 (25 °C) – 0...