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DataSheet4U.
com ER 49/27/17 Core I Round center leg particularly suitable B66391 for use of thick winding wires or tapes I For compact winding design with low leakage inductance I ER cores are supplied as single units Magnetic characteristics (per set) Σl/A le Ae A min Ve = 0,49 mm–1 = 118 mm = 243 mm2 = 225 mm2 = 28 700 mm3 Approx.
weight 146 g/set Ungapped Material N27 A L value nH µe A L1min P V nH W/set Ordering code 3500 + 30/– 20 % 1350 3240 5,38 B66391-G-X127 (200 mT, 25 kHz, 100 °C) Calculation factors (for formulas, see “ E cores: general information”, page 382) Material Relationship between air gap – A L value K1 (25 °C) N27 Validity range: 342 K2 (25 °C) – 0,75...

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