3H3

FERROXCUBE DATA SHEET 3H3 Material specification Supersedes data of September 2004 2008 Sep 01 Ferroxcube Material specification 3H3 SPECIFICATIONS A low frequency filter material optimized for frequencies up to 0.2 MHz. CONDITIONS µi B 25 °C; 10 kHz; 1200 A/ m 100 °C; 10 kHz; 1200 A/ m tanδ/µi ηB DF αF 25 °C; 0.25 mT; 30 kHz 25 °C; 0.25 mT; 100 kHz 25 °C; 100 kHz; 1.5 to 3 mT 0.25 mT; 10 kHz: 25 °C 40 °C ≤ 10 kHz; 0.25 mT; 5 to 25 °C 25 to 55 °C 25 to 70 °C DC; 25 °C 10 4 handbook, halfpage µ's , µ'' s 10 3 µs ' µ'' s MBW274 3H3 3H3 VALUE ≈ 360 ≈ 270 ≤ 1.6 × 10− 6 ≤ 2.5 × 10− 6 ≤ 0.6 × 10− 3 ≤ 3 × 10−6 ≤ 3 × 10−6 UNIT mT 25 °C; ≤ 10 kHz; 0.25 mT 2000 ±20% 10 2 T− 1 10 10 1 1 10 f (MHz) 10 2 K− 1 (0.7 ±0.3) × 10− 6 (0.7 ±0.3) × 10− 6 (0.7 ±0.3) × 10− 6 ≈2 ≥ 160 ≈ 4700 Ωm °C kg/m3 ρ TC density Fig.1 Complex permeability as a function of frequency. handbook, halfpage 5000 µi 4000 MBW275 MBW276 3H3 handbook, halfpage 500 B (mT) 400 25 oC 100 oC 3H3 3000 300 2000 200 1000 100 0 50 0 50 150 T ( o C) 250 25 0 25 50 150 H (A/m) 250 Fig.2 Initial permeability as a function of temperature. 197 Fig.3 Typical B-H loops. 2008 Sep 01 Ferroxcube Material specification DATA SHEET STATUS DEFINITIONS DATA SHEET STATUS Preliminary specification Product specification PRODUCT STATUS Development DEFINITIONS 3H3 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 01 198