FERROXCUBE DATA SHEET 3S3 Material specification Supersedes data of September 2004 2008 Sep 01 Ferroxcube Material specification 3S3 3S3 SPECIFICATIONS This wideband EMI-suppression material is specified on impedance and optimized for frequencies from 30 to 1000 MHz in applications with high bias currents at elevated temperatures (e.g. rods for chokes in commutation motors). SYMBOL µi B Z(1) ρ TC density CONDITIONS 25 °C; ≤10 kHz; 0.25 mT 25 °C; 10 kHz; 1200 A/m 100 °C; 10 kHz; 1200 A/m 25 °C; 30 MHz 25 °C; 100 MHz 25 °C; 300 MHz DC; 25 °C VALUE MBW196 10 4 handbook, halfpage 3S3 µ's , µ''s 10 3 UNIT µ's ≈ 350 ≈ 320 mT µ''s 10 2 ≈ 270 ≥ 25 ≥ 60 ≥ 100 ≈ 104 ≥ 225 ≈ 4 800 Ω 10 10 1 1 Fig.1 1. Measured on a bead ∅5 × ∅2 × 10 mm. 500 800 400 600 300 400 200 200 100 Fig.2 2008 Sep 01 T (oC) 25oC 100oC B (mT) µi 150 Complex permeability as a function of frequency. handbook, halfpage 3S3 50 10 2 MBW198 MBW192 handbook, halfpage 0 50 f (MHz) Ωm °C kg/m3 Note 1000 10 3S3 0 250 50 Initial permeability as a function of temperature. 0 50 100 500 1000 H (A/m) Fig.3 Typical B-H loops. 2 Ferroxcube Material specification 3S3 MBW219 150 handbook, halfpage 3S3 Z (Ω) 100 50 0 1 10 102 f (MHz) 103 Fig.4 Impedance as a function of frequency measured on a bead ∅5 × ∅2 × 10 mm. 2008 Sep 01 3 Ferroxcube Material specification 3S3 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 4