d a t a sh eet supersedes data of september 2004 2008 sep 01 ferroxcube 3E28 material specification
2008 sep 01 149 ferroxcube material specification 3E28 3E28 specifications a medium permeability material optimized for use in wideband lan transformers with a high dc-bias current over a wide temperature range. symbol conditions value unit i 25 c; 10 khz; 0.25 mt 4000 20% b25 c; 10 khz; 1200 a/m 440 mt 100 c; 10 khz; 1200 a/m 280 tan / i 25 c; 100 khz; 0.25 mt 5 10 ? 6 dc; 25 c 1 ? m t c 145 c density 4800 kg/m 3 handbook, halfpage cbw445 10 1 10 10 5 f (mhz) ' , s '' s 10 4 10 3 10 10 2 3E28 '' s 2 1 ' s fig.1 complex permeability as a function of frequency. handbook, halfpage 10000 50 50 250 0 cbw448 150 2000 4000 6000 8000 i t ( c) o 3E28 fig.2 initial permeability as a function of temperature. handbook, halfpage 25 50 250 500 0 cbw446 150 100 200 300 400 25 0 h (a/m) b (mt) 3E28 25 o c 100 o c fig.3 typical b-h loops.
2008 sep 01 150 ferroxcube material specification 3E28 handbook, halfpage cbw444 10 2 10 3 10 3 10 h (a/m) 10 4 3E28 10 1 10 2 rev fig.4 reversible permeability as a function of magnetic field strength.
2008 sep 01 151 ferroxcube material specification 3E28 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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