B66367

www.DataSheet4U.com ETD 49/25/16 Core I In accordance with IEC 61185 I Quality assurance per UTE 83313-004/ B66367 CECC 25 301-004 (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) 24,9 _ 0,4 17,7+0,8 Σl/A le Ae A min Ve 16,7 _ 0,8 16,7 _ 0,8 = 0,54 mm–1 = 114 mm = 211 mm2 = 209 mm2 = 24 100 mm3 36,1+1,8 _ 0,9 48,5 +1,3 FEK0061-Y Approx. weight 124 g/set Ungapped Material N27 N87 N97 1) AL value nH µe A L1min P V nH W/set Ordering code 3700 + 30/– 20 % 1590 2910 3800 + 30/– 20 % 1630 2910 3900 + 30/– 20 % 1680 2910 < 4,59 B66367-G-X127 (200 mT, 25 kHz, 100 °C) < 12,40 B66367-G-X187 (200 mT, 100 kHz, 100 °C) < 10,60 B66367-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 2,00 ± 0,05 A L value approx. nH 1035 525 314 188 µe Ordering code ** = 27 (N27) ** = 87 (N87) B66367-G200-X1** B66367-G500-X1** B66367-G1000-X1** B66367-G2000-X1** 444 225 135 81 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 491 08/01 g ETD 49/25/16 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: 314 314 K2 (25 °C) – 0,741 – 0,741 Calculation of saturation current K3 (25 °C) 504 485 K4 (25 ...