d a t a sh eet supersedes data of september 2004 2008 sep 01 ferroxcube e40/27/12 ei cores
2008 sep 01 511 ferroxcube ei cores e40/27/12 cores effective core parameters of an e / i combination ordering information for i cores symbol parameter value unit (i/a) core factor (c1) 0.542 mm ? 1 v e effective volume 11100 mm 3 i e effective length 77.5 mm a e effective area 143 mm 2 a min minimum area 133 mm 2 m mass of e core 42 g m mass of i core 17 g grade type number 3c90 i40/7.5/12-3c90 h andbook, halfpage handbook, halfpage 40.2 0.7 29 0.5 11.85 0.35 20.25 0.25 27.25 0.25 11.85 0.35 mfp098 fig.1 e40/27/12 core. dimensions in mm. handbook, halfpage mfp099 40.2 0.7 7.5 0.3 11.85 0.35 fig.2 i40/7.5/12. dimensions in mm. core halves for use in combination with an i core a l measured in combination with an i core, clamping force for a l measurements 40 20 n; properties of core sets under power conditions grade a l (nh) e air gap ( m) type number 3c90 4110 25 % 1770 0 e40/27/12-3c90 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=100khz; =100 mt; t = 100 c e40/27/12+i40/7.5/12-3c90 330 1.3 1.3 b ? b ?
2008 sep 01 512 ferroxcube ei cores e40/27/12 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 expec ted 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. data sheet status product status definitions preliminary specification development this data sheet contains prelim inary data. ferroxcube reserves the right to make changes at any time without notice 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. product status definitions status indication definition prototype these are products that have been made as development samples for the purposes of technical evaluation only. the data for thes e 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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