FERROXCUBE DATA A SH SHEET EET 3E55 Material specification Supersedes data of February 2002 2004 Sep 01 Ferroxcube Material specification 3E55 3E55 SPECIFICATIONS A high permeability material optimized for a very low Total Harmonic Distortion factor (THD/µa) over the full operating temperature range of DSL wideband transformers. SYMBOL CONDITIONS VALUE 25 °C; ≤10 kHz; 0.25 mT 10000 ± 20% B 25 °C; 10 kHz; 1200 A/m ≈ 370 80 °C; 10 kHz; 1200 A/m ≈ 200 25 °C; 10 kHz; 0.25 mT ≤ 10 × 10−6 25 °C; 30 kHz; 0.25 mT ≤ 30 × 10−6 ηB 25 °C; 10 kHz; 1.5 to 3 mT ≤ 0.2 × 10−3 T−1 ρ DC; 25 °C ≈ 0.1 Ωm TC ≥ 100 °C density ≈ 5000 kg/m3 tanδ/µi 3E55 µ's , µ''s UNIT µi CBW433 10 5 handbook, halfpage µ's 10 4 µ''s mT 10 3 2 10 10 2 Fig.1 CBW434 20000 1 f (MHz) 10 CBW435 25 oC 80 oC handbook, halfpage 3E55 1 Complex permeability as a function of frequency. 500 handbook, halfpage µi 10 B (mT) 3E55 400 15000 300 10000 200 5000 100 0 50 0 50 Fig.2 2004 Sep 01 150 T (oC) 250 25 0 25 50 150 250 H (A/m) Initial permeability as a function of temperature. Fig.3 Typical B-H loops. 140 Ferroxcube Material specification 3E55 MFW062 −115 MFW071 -110 3E55 THD/µa (dB) 3E55 THD/µa (dB) -115 −120 -120 −125 -125 −130 -130 -135 −135 20 0 40 1 80 T (oC) MFW072 3E55 THD/µa (dB) -115 -120 -125 -130 -135 1 10 f (kHz) 100 Fig.6 THD-factor as a function of frequency (B =10 mT, T = 25 °C). 2004 Sep 01 B (mT) 100 Fig.5 THD-factor as a function of flux density (f = 25 kHz, T = 25 °C). Fig.4 THD-factor as a function of temperature (B =10 mT, f = 25 kHz). -110 10 141 Ferroxcube Material specification 3E55 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. 2004 Sep 01 142