MPP

MPP FERROXCUBE | Alldatasheet

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Technical content

2008 Sep 01 70

Material specification MPP MPP SPECIFICATIONS A medium frequency alloy powder material with the lowest loss density for use in power inductors and output chokes. CONDITIONS VALUE UNIT µ i 25 °C; ≤10 kHz; 0.25 mT 14 − 300 TC ≥ 460 °C thermal conductivity 0.08 W.mm -1.K-1 linear expansion coefficient 12.9 x 10-6 K-1 density for 125µ ≈ 8700 kg/m 3 µ's 100 150 200 250 300 350 100101 1000 f (kHz) MFP201 MPP 160µ 14µ 26µ 60µ 125µ 300µ 200µ Fig.1 Initial permeability as a function of frequency. ∆µi (%) MFP202 T ( C)o 0−40 1601208040 200 300µ 14µ 200µ 300µ 160µ 14µ 26µ 60µ 125µ MPP Fig.2 Initial permeability as a function of temperature. B (mT) MFP203 H (A/m) MPP 100 200 400 600 800 500 300 1001010.1 14µ 26µ 60µ 125µ 700 300µ 200µ 160µ 173µ 147µ Fig.3 Typical B-H curves.

2008 Sep 01 71

Material specification MPP ∆µa (%) MFP204 B (mT) MPP 100101 1000 147µ & 160µ & 173µ 60µ 125µ 300µ 200µ 14µ & 26µ Fig.4 Amplitude permeability as a function of peak flux density. µ (%) H (kA/m) MFP205 MPP 100 1001010.1 14µ 26µ 60µ 300µ 200µ 173µ 160µ 147µ 125µ Fig.5 Reversible permeability as a function of magnetic field strength. Pv (kW/m3) B (mT) 1000 10000 1000 100 0.1 0.01 1 10 100 MPP MFP206 50 kHz20 kHz10 kHz5 kHz 0 kH z 100 kHz 2 kHz Fig.6 Specific power loss as a function of peak flux density with frequency as a parameter for material 14µ. Pv (kW/m3) B (mT) 1000 10000 1000 100 0.1 0.01 1 10 100 MPP MFP207 50 kH z 25 kHz 10 kHz 5 kHz 300 kH z 100 kH z 2 kHz 0.001 1 kHz 500 Hz Fig.7 Specific power loss as a function of peak flux density with frequency as a parameter for material 300µ.

2008 Sep 01 72

Material specification MPP DATA SHEET STATUS DEFINITIONS 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 DATA SHEET STATUS PRODUCT STATUS DEFINITIONS Preliminary specification Development This data sheet contains prelimin ary 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. 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.