RM7/I-3C90 Ferroxcube

FERROXCUBE DATA SHEET RM7/I RM, RM/I, RM/ILP cores and accessories Supersedes data of September 2004 2008 Sep 01Ferroxcube RM, RM/I, RM/ILP cores and accessories RM7/I CORE SETS Effective core parameters handbook, halfpage SYMBOL PARAMETER VALUE UNIT 0 17.2 0.7 1 (I/A) core factor (C1) 0.680 mm 3 V effective volume 1325 mm e 3.3 I effective length 30.0 mm e 2 A effective area 44.1 mm e 9.3 2 A minimum area 39.6 mm 0 min 20.3 0.8 m mass of set 7.5 g 0 O7.25 0.3 11.3 0.5 13.4 8.4 0.25 0 0.1 MGC065 0.6 O 14.75 0 Dimensions in mm. Fig.1 RM7/I core set. Core sets for general purpose transformers and power applications Clamping force for A measurements 40 20 N. L A AIR GAP L GRADE TYPE NUMBER e (nH) (m) 3C90 100 3% 54 730 RM7/I-3C90-A100 160 3% 87 410 RM7/I-3C90-A160 250 3% 135 240 RM7/I-3C90-A250 3000 25% 1620 0 RM7/I-3C90 3F3 100 3% 54 730 RM7/I-3F3-A100 160 3% 87 410 RM7/I-3F3-A160 250 3% 135 240 RM7/I-3F3-A250 2500 25% 1350 0 RM7/I-3F3 Properties of core sets under power conditions B (mT) at CORE LOSS (W) at H = 250 A/m f = 25 kHz f = 100 kHz f= 400 kHz GRADE f= 25 kHz B = 200 mT B = 100 mT B=50mT T=100 C T = 100 C T = 100 C T = 100 C 3C90 320 0.16 0.17 3F3 315 0.15 0.25 2008 Sep 01 1233