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| FERROXCUBE DATA SHEET 3E25 Material specification Supersedes data of September 2004 2008 Sep 01 Ferroxcube Material specification 3E25 SPECIFICATIONS A medium permeability material mainly for use in current compensated chokes in EMI-suppression filters. SYMBOL i B CONDITIONS 25 C; 10 kHz; 0.25 mT 25 C; 10 kHz; 1200 A/m 100 C; 10 kHz; 1200 A/m tan/i 25 C; 100 kHz; 0.25 mT 25 C; 300 kHz; 0.25 mT TC density DC; 25 C VALUE 6000 20% 390 220 25 x 10-6 200 x 10 -6 0.5 125 4900 m C kg/m3 Fig.1 Complex permeability as a function of frequency. 10 10 2 2 3E25 10 5 handbook, halfpage 's , '' s 10 4 MBW026 3E25 UNIT ' s mT 10 3 '' s 10 1 1 f (MHz) 10 handbook, halfpage 20000 i MBW029 MBW011 3E25 handbook, halfpage 500 B (mT) 400 25oC 100oC 3E25 15000 300 10000 200 5000 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 01 137 Ferroxcube Material specification 3E25 10 4 handbook, halfpage MBW040 3E25 handbook, halfpage 16000 p MBW082 f = 10 kHz o T=25 C 3E25 rev 12000 10 3 8000 5 s 2 s 10 2 4000 0.5 s 1 s 10 1 10 10 2 H (A/m) 10 3 0 0 100 200 300 B (mT) 400 Fig.4 Reversible permeability as a function of magnetic field strength. Fig.5 Pulse characteristics (unipolar pulses). 2008 Sep 01 138 Ferroxcube Material specification DATA SHEET STATUS DEFINITIONS DATA SHEET STATUS Preliminary specification Product specification PRODUCT STATUS Development DEFINITIONS 3E25 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 01 139 |
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