MPP

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