B66311

www.DataSheet4U.com E 20/10/6 (EF 20) Core I In accordance with IEC 61246 I E cores are supplied as single units B66311 Magnetic characteristics (per set) Σl/A le Ae A min Ve = 1,44 mm–1 = 46,3 mm = 32,1 mm2 = 31,9 mm2 = 1 490 mm3 Approx. weight 7,3 g/set Ungapped Material N30 N27 N87 A L value nH µe A L1min P V nH W/set Ordering code B66311-G-X130 2150 + 30/– 20 % 2460 1300 + 30/– 20 % 1490 1090 1470 + 30/– 20 % 1680 1090 < 0,27 B66311-G-X127 (200 mT, 25 kHz, 100 °C) < 0,75 B66311-G-X187 (200 mT, 100 kHz, 100 °C) Gapped Material g mm N27, N87 0,09 ± 0,01 0,17 ± 0,02 0,25 ± 0,02 0,50 ± 0,05 A L value approx. nH 363 227 171 103 µe Ordering code ** = 27 (N27) ** = 87 (N87) B66311-G90-X1** B66311-G170-X1** B66311-G250-X1** B66311-G500-X1** 415 259 195 118 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). 403 08/01 E 20/10/6 (EF 20) 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: 61,6 61,6 K2 (25 °C) – 0,737 – 0,737 Calculation of saturation current K3 (25 °C) 88,1 88,5 K4 (25 °C) – 0,847 – 0,796 K3 (100 °C) K4 (100 °C) 80,9 78,4 – 0,865 – 0,873 B66311 K1, K2 : 0,05 mm < s < 1,50 mm K3, K4 : 50 nH < AL < 430 nH 404 08/01 E 20/10/6 (EF 20) Accessories Coil former (magnetic axis horizontal or vertical) Material: GFR polyterephthalate (UL 94 V-0, insulatio...