FERROXCUBE DATA SHEET 2P.. Material specification Supersedes data of September 2004 2008 Sep 01 Ferroxcube Material specification 2P.. Material grade specification - 2P80 2P.. SPECIFICATIONS SYMBOL These iron powder materials are mainly used for low frequency power inductors and output chokes. µi SYMBOL µi tanδ/µi Br HC B αF Tmax CONDITIONS 25 °C; ≤10 kHz; 0.25 mT 25 °C; 100 kHz; 0.25 mT from 25 × 103 A/m from 25 × 103 A/m H = 25 × 103 A/m 25 to 55 °C VALUE UNIT Br HC B αF Tmax 40 ±10% ≤1500 × 10−6 ≈ 250 ≈ 2000 ≈ 950 ≈ 10 × 10−6 160 mT A/m mT K−1 °C µi tanδ/µi Br HC B αF Tmax CONDITIONS 25 °C; ≤10 kHz; 0.25 mT 25 °C; 100 kHz; 0.25 mT from 25 × 103 A/m from 25 × 103 A/m H = 25 × 103 A/m 25 to 55 °C VALUE SYMBOL µi UNIT Br HC B αF Tmax ≈ 1500 × 10−6 mT A/m mT K−1 °C µi tanδ/µi Br HC B αF Tmax CONDITIONS 25 °C; ≤10 kHz; 0.25 mT 25 °C; 100 kHz; 0.25 mT from 25 × 103 A/m from 25 × 103 A/m H = 25 × 103 A/m 25 to 55 °C VALUE µi UNIT ≈ 400 ≈ 1200 ≈ 1400 ≈ 15 × 10−6 140 mT A/m mT K−1 °C VALUE 65 ±10% 10 2 UNIT 90 ±10% ≈ 1000 × 10−6 ≈ 450 ≈ 900 ≈ 1600 ≈ 15 × 10−6 140 mT A/m mT K−1 °C MBW210 2P.. 2P90 2P80 ≈ 1000 × 10−6 2P65 ≈ 350 ≈ 1500 ≈ 1150 ≈ 15 × 10−6 140 2P50 mT A/m mT K−1 °C 10 2P40 1 10 2 10 Fig.1 2008 Sep 01 ≈ 1000 × 10−6 10 3 handbook, halfpage Material grade specification - 2P65 SYMBOL UNIT 80 ±10% CONDITIONS 25 °C; ≤10 kHz; 0.25 mT 25 °C; 100 kHz; 0.25 mT from 25 × 103 A/m from 25 × 103 A/m H = 25 × 103 A/m 25 to 55 °C tanδ/µi 50 ±10% ≈ 300 ≈ 1800 ≈ 1000 ≈ 20 × 10−6 140 VALUE Material grade specification - 2P90 Material grade specification - 2P50 SYMBOL 25 °C; ≤10 kHz; 0.25 mT 25 °C; 100 kHz; 0.25 mT from 25 × 103 A/m from 25 × 103 A/m H = 25 × 103 A/m 25 to 55 °C tanδ/µi Material grade specification - 2P40 CONDITIONS 62 1 1 f (MHz) Initial permeability as a function of frequency. 10 Ferroxcube Material specification 2P.. MBW211 400 handbook, halfpage o 2P.. T=25 C µa MBW208 2000 handbook, halfpage 2P.. B (mT) 2P90 2P90 300 1500 2P80 2P80 2P65 2P65 200 1000 2P50 2P50 2P40 100 500 2P40 0 5000 0 0 100 200 300 400 0 5000 15000 H (A/m) 25000 B (mT) Fig.2 Amplitude permeability as a function of peak flux density. Fig.3 Typical B-H loops. MBW206 10 3 handbook, halfpage MBW212 10 4 handbook, halfpage T = 25 oC 2P.. 2P.. kHz kHz kHz kHz 10 3 10 20 10 2 50 2P80 100 500 kHz (kW/m 3) 2P90 200 µ rev kHz Pv 2P65 2P50 2P40 10 1 1 10 Fig.4 2008 Sep 01 10 2 10 2 10 3 10 4 H (A/m) 10 1 Reversible permeability as a function of magnetic field strength. Fig.5 63 10 10 2 B (mT) 10 3 Specific power loss as a function of peak flux density with frequency as a parameter. Ferroxcube Material specification 2P.. 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 64