d a t a sh eet supersedes data of september 2004 2008 sep 01 ferroxcube 3C81 material specification
2008 sep 01 101 ferroxcube material specification 3C81 3C81 specifications a low frequency power material with minimum power losses around 60 c for use in power and general purpose transformers at frequencies up to 0.2 mhz. symbol conditions value unit i 25 c; 10 khz; 0.25 mt 2700 20% a 100 c; 25 khz; 200 mt 5500 20% b25 c; 10 khz; 1200 a/m 450 mt 100 c; 10 khz; 1200 a/m 360 p v 100 c; 25 khz; 200 mt 185 kw/m 3 dc; 25 c 1 ? m t c 210 c density 4800 kg/m 3 fig.1 complex permeability as a function of frequency. handbook, halfpage mbw023 11010 2 10 4 f (mhz) ' , s '' s 10 3 10 2 10 10 1 3C81 '' s ' s fig.2 initial permeability as a function of temperature. handbook, halfpage 5000 50 50 250 0 mbw032 150 1000 2000 3000 4000 i t ( c) o 3C81 fig.3 typical b-h loops. handbook, halfpage 500 0 mbw016 100 200 300 400 b (mt) 3C81 25 o c 100 o c 25 150 25 250 50 0 h (a/m)
2008 sep 01 102 ferroxcube material specification 3C81 fig.4 amplitude permeability as a function of peak flux density. handbook, halfpage 0 100 200 400 8000 6000 2000 0 4000 mbw044 300 a b (mt) 3C81 25 o c 100 o c fig.5 reversible permeability as a function of magnetic field strength. handbook, halfpage mbw039 10 2 10 3 10 3 10 h (a/m) 10 4 3C81 10 1 10 2 rev fig.6 specific power loss as a function of peak flux density with frequency as a parameter. handbook, halfpage mbw051 10 2 10 3 10 b (mt) 110 10 4 p v (kw/m ) 3 3C81 10 2 10 3 2 5 k h z 200 khz 1 0 0 k h z t = 100 o c 5 0 k h z fig.7 specific power loss for several frequency/flux density combinations as a function of temperature. handbook, halfpage 04080 800 600 200 0 400 mbw053 120 t ( c) p v (kw/m ) 3 3C81 o f (khz) b (mt) 200 100 100 100 25 200
2008 sep 01 103 ferroxcube material specification 3C81 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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