PM 74/59 Core I In accordance with IEC 61247 I Particularly suitable for power transformers B65686 and energy storage chokes I PM cores are supplied in sets Magnetic characteristics (per set) Σl/A le Ae A min Ve = 0,162 mm 1 = 128 mm = 790 mm2 = 630 mm2 = 101 000 mm3 Approx. weight 460 g/set www.DataSheet4U.com Gapped Material A L value nH N27 315 ± 3 % 630 ± 3 % s approx. mm 3,80 1,50 µe Ordering code 41 81 B65686-A315-A27 B65686-A630-A27 Ungapped Material A L value nH N27 .