FERROXCUBE DATA SHEET RM7/ILP RM, RM/I, RM/ILP cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube RM, RM/I, RM/ILP cores and accessories RM7/ILP CORE SETS Effective core parameters SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 0.520 mm−1 Ve effective volume 1 060 mm3 Ie effective length 23.5 mm Ae effective area 45.3 mm2 Amin minimum area 39.6 mm2 m mass of set ≈ 6.0 g 17.2 0 −0.7 handbook, halfpage 3.3 >9.3 20.3 0 −0.8 ∅7.25 7.6 ±0.25 0 −0.3 4.7 +0.5 0 9.8 0 −0.2 CBW129 ∅15.4 max. Dimensions in mm. Fig.1 RM7/ILP core set. Core sets for general purpose transformers and power applications Clamping force for AL measurements 40 ±20 N. GRADE AL (nH) AIR GAP (µm) µe TYPE NUMBER 3C90 3650 ±25% ≈ 1510 ≈0 RM7/ILP-3C90 3F3 3100 ±25% ≈ 1280 ≈0 RM7/ILP-3F3 3F4 1800 ±25% ≈ 740 ≈0 RM7/ILP-3F4 Properties of core sets under power conditions B (mT) at CORE LOSS (W) at H = 250 A/m; f = 25 kHz; T = 100 °C f = 25 kHz; ˆ = 200 mT; B T = 100 °C f = 100 kHz; ˆ = 100 mT; B T = 100 °C f = 400 kHz; ˆ = 50 mT; B T = 100 °C f = 1 MHz; ˆ = 30 mT; B T = 100 °C f = 3 MHz; ˆ = 10 mT; B T = 100 °C 3C90 ≥320 ≤ 0.13 ≤ 0.14 − − − 3F3 ≥300 − ≤ 0.12 ≤ 0.20 − − 3F4 ≥250 − − − ≤ 0.32 ≤ 0.5 GRADE 2008 Sep 01 1240 Ferroxcube RM, RM/I, RM/ILP cores and accessories RM7/ILP MOUNTING PARTS General data ITEM SPECIFICATION Clamping force ≈20 N Clip material stainless steel (CrNi) Type number CLI-RM7/ILP 2.7 handbook, halfpage 8.8 R16 CBW622 Dimensions in mm. Fig.2 Mounting clip for RM7/ILP. 2008 Sep 01 1241 6.7 Ferroxcube RM, RM/I, RM/ILP cores and accessories RM7/ILP 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 1242