FERROXCUBE DATA SHEET MPP Material specification New data 2008 Sep 01 Ferroxcube Material specification MPP MPP SPECIFICATIONS A medium frequency alloy powder material with the lowest loss density for use in power inductors and output chokes. µi CONDITIONS VALUE 25 °C; ≤10 kHz; 0.25 mT 14 − 300 MPP µ's 300 300µ ≥ 460 0.08 TC thermal conductivity linear expansion coefficient density for 125µ MFP201 350 UNIT °C W.mm-1.K-1 250 200µ 200 12.9 x 10-6 K-1 150 160µ 125µ 100 ≈ 8700 kg/m3 50 60µ 26µ 14µ 0 1 10 Fig.1 100 f (kHz) Initial permeability as a function of frequency. MFP202 ∆µi (%) MFP203 4 MPP 1000 300µ 800 B (mT) 700 200µ 600 160µ 500 125µ 400 60µ 300 MPP 125µ 3 300µ 2 60µ 147µ 1 160µ 26µ 173µ 14µ 200µ 26µ 0 200 14µ 14µ 100 300µ −1 −40 Fig.2 2008 Sep 01 0 40 80 120 0 0.1 160 200 T ( o C) Initial permeability as a function of temperature. 1 10 Fig.3 Typical B-H curves. 70 H (A/m) 100 Ferroxcube Material specification MPP MFP204 5 ∆µa (%) µ (%) 90 4 300µ 14µ MPP 160µ 80 3 147µ 70 200µ 2 173µ 50 125µ 1 26µ 125µ 60 147µ & 160µ & 173µ 200µ 40 60µ 60µ 300µ 30 0 14µ & 26µ 20 −1 −2 MFP205 100 MPP 10 1 10 Fig.4 100 B (mT) 0 0.1 1000 Amplitude permeability as a function of peak flux density. 1 Fig.5 10 H (kA/m) Reversible permeability as a function of magnetic field strength. MFP206 MFP207 10000 Pv (kW/m3) 1000 50 10 0 kH 0 0 10 Hz 30 100 z 50 10 1 k z kH kH 10 z kH 5 z kH z 10 z 20 k 10 Hz kH 5 z kH 2 z kH z 100 kH 25 30 0 kH z kH 1000 MPP z MPP 1 kH 2 kH 50 z z 0 H z 10000 Pv (kW/m3) 100 1 0.1 0.1 0.01 0.01 1 10 100 0.001 1000 Fig.6 Specific power loss as a function of peak flux density with frequency as a parameter for material 14µ. 2008 Sep 01 1 10 100 1000 B (mT) B (mT) Fig.7 71 Specific power loss as a function of peak flux density with frequency as a parameter for material 300µ. Ferroxcube Material specification MPP 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 72