d a t a sh eet supersedes data of september 2004 2008 sep 01 ferroxcube 3E27 material specification
2008 sep 01 145 ferroxcube material specification 3E27 3E27 specifications a medium permeability material with low losses and a relatively high t c optimized for use in wideband transformers as well as emi-suppression filters. symbol conditions value unit i 25 c; 10 khz; 0.25 mt 6000 20% b25 c; 10 khz; 1200 a/m 430 mt 100 c; 10 khz; 1200 a/m 270 tan / i 25 c; 100 khz; 0.25 mt 15 10 ? 6 dc; 25 c 0.5 ? m t c 150 c density 4800 kg/m 3 fig.1 complex permeability as a function of frequency. handbook, halfpage cbw335 1 10 10 5 f (mhz) ' , s '' s 10 4 10 3 10 2 10 ? 2 10 ? 1 3E27 '' s ' s fig.2 initial permeability as a function of temperature. handbook, halfpage 20000 ? 50 50 250 0 cbw336 150 5000 10000 15000 i t ( c) 3E27 fig.3 typical b-h loops. handbook, halfpage ? 25 50 250 500 0 cbw337 150 100 200 300 400 25 0 h (a/m) b (mt) 3E27 25 c 100 c
2008 sep 01 146 ferroxcube material specification 3E27 fig.4 reversible permeability as a function of magnetic field strength. handbook, halfpage cbw338 10 2 10 3 10 3 10 h (a/m) 10 4 3E27 10 1 10 2 rev fig.5 pulse characteristics (unipolar pulses). handbook, halfpage 0 100 200 400 8000 6000 2000 0 4000 cbw339 300 p 3E27 t = 25 c f = 10 khz 0.1 s 0.2 s 0.5 s 1 s 2 s b (mt) ^
2008 sep 01 147 ferroxcube material specification 3E27 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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