FERROXCUBE DATA SHEET 3C92 Material specification Supersedes data of September 2004 2008 Sep 01 Ferroxcube Material specification 3C92 3C92 SPECIFICATIONS A low frequency, high Bsat power material for use in power inductors at frequencies up to 0.2 MHz. SYMBOL 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 140 °C; 10 kHz; 1200 A/m 100 °C; 100 kHz; 100 mT 100 °C; 100 kHz; 200 mT DC; 25 °C µi µa B PV ρ TC density VALUE MFW001 10 4 handbook, halfpage UNIT µ's , µ''s 1500 ±20% 3C92 µ's 10 3 ≈ 5000 µ''s ≈ 540 mT 10 2 ≈ 460 ≈ 400 ≈ 50 10 10 1 kW/m 3 1 ≈5 ≥ 280 ≈ 4800 Ωm °C kg/m3 Fig.1 Complex permeability as a function of frequency. MFW002 MFW003 500 3C92 µi 25 oC 100 oC B (mT) 8000 400 6000 300 4000 200 2000 100 0 50 50 Fig.2 10 2 f (MHz) ≈ 350 10000 2008 Sep 01 10 150 250 o T ( C) 3C92 0 350 25 0 25 50 150 250 H (A/m) Initial permeability as a function of temperature. Fig.3 Typical B-H loops. 113 Ferroxcube Material specification 3C92 MFW004 8000 µa MFW005 10 4 o 25 C o 100 C 3C92 3C92 µ rev 6000 10 3 4000 10 2 2000 10 0 0 100 200 300 400 10 2 10 1 B (mT) Fig.4 Amplitude permeability as a function of peak flux density. Fig.5 3 H (A/m) 10 Reversible permeability as a function of magnetic field strength. MFW006 10 4 500 kH z 200 k Hz 100 kHz T = 100 C Pv (kW/m 3) 3C92 Pv (kW/m 3 ) f B (kHz) (mT) 600 25 kHz 10 3 MFW007 800 3C92 o 400 100 200 200 100 25 100 200 100 10 2 200 10 1 10 10 2 B (mT) 0 10 3 0 Fig.7 Fig.6 Specific power loss as a function of peak flux density with frequency as a parameter. 2008 Sep 01 114 40 80 120 T (o C) Specific power loss for several frequency/flux density combinations as a function of temperature. Ferroxcube Material specification 3C92 DATA SHEET 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. 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 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. 2008 Sep 01 115