ETD49/25/16-3C90 Ferroxcube

FERROXCUBE DATA SHEET ETD49/25/16 ETD cores and accessories Supersedes data of September 2004 2008 Sep 01Ferroxcube ETD cores and accessories ETD49/25/16 CORE SETS Effective core parameters handbook, halfpage 0.8 17.7 0 24.7 SYMBOL PARAMETER VALUE UNIT 0.2 1 (I/A) core factor (C1) 0.534 mm 3 V effective volume 24000 mm e 0 I effective length 114 mm e 49.8 2.2 2 A effective area 211 mm 1.8 e 36.1 0 2 A minimum area 209 mm 0 min 16.7 0.6 m mass of core half 62 g 0 16.7 0.6 MGC270 Dimensions in mm. Fig.1 ETD49/25/16 core half. Core halves Clamping force for A measurements, 50 20 N. Gapped cores are available on request. L A AIR GAP L GRADE TYPE NUMBER e (nH) (m) 3C90 4200 25% 1810 0 ETD49/25/16-3C90 3C94 4200 25% 1810 0 ETD49/25/16-3C94 3C95 5140 25% 2210 0 ETD49/25/16-3C95 3F3 3900 25% 1680 0 ETD49/25/16-3F3 Properties of core sets under power conditions B (mT) at CORE LOSS (W) at H=250A/m f = 25 kHz f= 100 kHz f = 100 kHz f= 100 kHz f = 400 kHz GRADE f = 25 kHz =200 mT = 100 mT =200 mT = 200 mT =50 mT B B B B B T = 100 C T = 100 C T=100 C T=25 C T=100 C T = 100 C 3C90 330 2.9 3.1 3C94 330 2.3 12.4 3C95 330 15.1 14.4 3F3 320 3.0 5.4 2008 Sep 01 2