d a t a sh eet supersedes data of november 2000 2002 feb 01 ferroxcube 3e25 material specification
2002 feb 01 2 ferroxcube material specification 3e25 3e25 specifications a medium permeability mate rial mainly for use in current compensated chokes in emi-suppression filters. symbol conditions value unit i 25 c; 10 khz; 0.1 mt 6000 20% b25 c; 10 khz; 250 a/m 350 mt 100 c; 10 khz; 250 a/m 180 tan / i 25 c; 100 khz; 0.1 mt 25 10 ? 6 25 c; 300 khz; 0.1 mt 200 10 ? 6 dc; 25 c 0.5 ? m t c 125 c density 4900 kg/m 3 fig.1 complex permeability as a function of frequency. handbook, halfpage mbw026 10 1 10 10 5 f (mhz) ' , s '' s 10 4 10 3 10 10 2 3e25 '' s 2 1 ' s fig.2 initial permeability as a function of temperature. handbook, halfpage 20000 ? 50 50 250 0 mbw029 150 5000 10000 15000 i t ( c) o 3e25 fig.3 typical b-h loops. handbook, halfpage 25 500 0 mbw011 150 100 200 300 400 25 250 50 0 h (a/m) b (mt) 3e25 25 o c 100 o c
2002 feb 01 3 ferroxcube material specification 3e25 fig.4 incremental permeability as a function of magnetic field strength. handbook, halfpage mbw040 10 2 10 3 10 3 10 h (a/m) 10 4 ? 3e25 10 1 10 2 fig.5 pulse characteristics (unipolar pulses). handbook, halfpage 0 100 200 400 16000 12000 0 8000 mbw082 300 p b (mt) 3e25 t=25 o c f = 10 khz 4000 0.5 s 1 s 2 s 5 s
2002 feb 01 4 ferroxcube material specification 3e25 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 fo r use in such applicatio ns 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 preliminary 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. 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 ch annels. customers are advise d to check for availability.
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