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| FERROXCUBE DATA SHEET 3C91 Material specification Supersedes data of September 2004 2008 Sep 01 Ferroxcube Material specification 3C91 SPECIFICATIONS A medium frequency power material with minimum power losses around 60 C for use in power and general purpose transformers at frequencies up to 0.3 MHz. SYMBOL i a B CONDITIONS 25 C; 10 kHz; 0.25 mT 100 C; 25 kHz; 200 mT 25 C; 10 kHz; 1200 A/m 100 C; 10 kHz; 1200 A/m 60 C; 100 kHz; 100 mT 60 C; 100 kHz; 200 mT DC, 25 C VALUE 3000 20% 5500 25% 470 370 40 300 5 220 4800 m C kg/m3 mT mT kW/m 3 10 10 1 1 10 10 2 3C91 10 4 handbook, halfpage 's , '' s 10 3 '' s ' s CBW574 3C91 UNIT PV f (MHz) 10 2 TC density Fig.1 Complex permeability as a function of frequency. CBW469 handbook, halfpage 10000 i 3C91 handbook, halfpage 500 CBW437 B (mT) 400 25 oC 100 oC 3C91 8000 6000 300 4000 200 2000 100 0 50 0 50 150 T ( o C) 250 25 0 25 50 150 H (A/m) 250 Fig.2 Initial permeability as a function of temperature. Fig.3 Typical B-H loops. 2008 Sep 01 109 Ferroxcube Material specification 3C91 handbook, halfpage 8000 a 6000 CBW441 25 oC o 100 C 3C91 10 4 handbook, halfpage rev 10 3 CBW578 3C91 4000 10 2 2000 0 0 100 200 300 B (mT) 400 10 1 10 10 2 3 H (A/m) 10 Fig.4 Amplitude permeability as a function of peak flux density. Fig.5 Reversible permeability as a function of magnetic field strength. 10 4 handbook, halfpage T = 100 oC Pv (kW/m 3) 10 3 CBW436 CBW471 3C91 200 kHz kHz handbook, halfpage 800 3C91 f B (kHz) (mT) 100 200 Pv (kW/m 3 ) 600 25 kHz 10 0 400 200 10 2 200 25 100 10 1 10 10 2 B (mT) 10 3 0 0 40 80 T (o C) 120 200 100 100 Fig.7 Fig.6 Specific power loss as a function of peak flux density with frequency as a parameter. Specific power loss for several frequency/flux density combinations as a function of temperature. 2008 Sep 01 110 Ferroxcube Material specification DATA SHEET STATUS DEFINITIONS DATA SHEET STATUS Preliminary specification Product specification PRODUCT STATUS Development DEFINITIONS 3C91 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. 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. Production 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 STATUS Prototype Design-in Preferred Support INDICATION DEFINITION 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. These products are recommended for new designs. These products are recommended for use in current designs and are available via our sales channels. 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. 2008 Sep 01 111 |
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