B66317 Datasheet | EPCOS

.. E 25/13/7 (EF 25) Core I In accordance with IEC 61246 I E cores are supplied as single units Magnetic characteristics (per set) Σl/A le Ae A min Ve = 1,1 mm- 1 = 57,5 mm = 52,5 mm2 = 51,5 mm2 = 3 020 mm3 Approx. weight 16 g/set Ungapped Material N30 N27 N87 A L value n H µe A L1min P V n H W/set Ordering code B66317-G-X130 2900 + 30/- 20 % 2530 1750 + 30/- 20 % 1520 1440 1850 + 30/- 20 % 1620 1440 < 0,59 B66317-G-X127 (200 m T, 25 k Hz, 100 °C) < 1,60 B66317-G-X187 (200 m T, 100 k Hz, 100 °C) Gapped Material g mm N27, N87 0,10 ± 0,02 0,16 ± 0,02 0,25 ± 0,02 0,50 ± 0,05 1,00 ± 0,05 A L value approx. n H 489 347 250 151 91 µe Ordering code - - = 27 (N27) = 87 (N87) B66317-G100-X1- - B66317-G160-X1- - B66317-G250-X1- - B66317-G500-X1- - B66317-G1000-X1- - 425 302 218 131 79 The A L value in the table applies to a core set prising one ungapped core (dimension g = 0) and one gapped core (dimension g > 0). 410 08/01 E 25/13/7 (EF 25) 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: 90 90 K2 (25 °C) - 0,731 - 0,731 Calculation of saturation current K3 (25 °C) 139 139 K4 (25 °C) - 0,847 - 0,796 K3 (100 °C) K4 (100 °C) 129 125 - 0,865 - 0,873 K1, K2 : 0,10 mm < s < 2,00 mm K3, K4 : 60 n H < AL < 570 n H 411 08/01 E 25/13/7 (EF 25) Accessories Coil former (magnetic axis horizontal or vertical) Material: GFR polyterephthalate; UL 94 V-0, insulation class to IEC 60085: B66208-A, -J: F max. operating temperature 155 °C, color code black B66208-W: H max. operating temperature 180 °C, color code black Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 °C, 2 s Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 °C, 3,5 s Winding: see “ Processing Notes”, page 159 Squared pins Yoke Material: Stainless spring steel (0,25 mm) Coil former Figure 1 2 Sections 1 1 AN mm2 61 61 l N mm 50 50 AR value µΩ 28 28...