d a t a sh eet supersedes data of september 2004 2008 sep 01 ferroxcube e20/14/5 e cores and accessories
2008 sep 01 361 ferroxcube e cores and accessories e20/14/5 (ec19) core sets effective core parameters symbol parameter value unit (i/a) core factor (c1) 2.54 mm ? 1 v e effective volume 1513 mm 3 i e effective length 62.0 mm a e effective area 24.4 mm 2 a min minimum area 22.8 mm 2 m mass of core half 4.3 g h andbook, halfpage handbook, halfpage 20 0.3 14.3 min. 4.55 0.15 11.15 0.15 13.55 0.15 5 0.2 cbw557 fig.1 e20/14/5 core half. dimensions in mm. core halves clamping force for a l measurements, 20 10 n. gapped cores are available on request. core halves of high permeability grades clamping force for a l measurements, 20 10 n. properties of core sets under power conditions grade a l (nh) e air gap ( m) type number 3c90 900 25% 1820 0 e20/14/5-3c90 3c92 660 25% 1330 0 e20/14/5-3c92 grade a l (nh) e air gap ( m) type number 3e26 2300 25% 4650 0 e20/14/5-3e26 grade b (mt) at core loss (w) at h=250a/m; f = 25 khz; t = 100 c f = 25 khz; = 200 mt; t = 100 c f = 100 khz; = 100 mt; t=100 c f=100khz; = 200 mt; t=100 c 3c90 330 0.16 0.18 ? 3c92 370 ? 0.13 0.9 b ? b ? b ?
2008 sep 01 362 ferroxcube e cores and accessories e20/14/5 (ec19) data sheet status definitions disclaimer life support applications ? these products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. ferroxcube customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify ferroxcube for any damages resulting from such application. product status definitions data sheet status product status definitions preliminary specification development this data sheet contains prelimin ary data. ferroxcube reserves the right to make changes at any time without not ice in order to improve design and supply the best possible product. product specification production this data sheet contains final specifications. ferroxcube reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. status indication definition prototype these are products that have been made as development samples for the purposes of technical evaluation only. the data for these types is provisional and is subject to change. design-in these products are recommended for new designs. preferred these products are recommended for use in current designs and are available via our sales channels. support these products are not recommended for new designs and may not be available through all of our sales channels. customers are advised to check for availability.
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