RM7-3F3

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 CORE SETS Effective core parameters SYMBOL Σ(I/A) Ve Ie Ae Amin m PARAMETER core factor (C1) effective volume effective length effective area minimum area mass of set VALUE 0.520 1 060 23.5 45.3 39.6 ≈ 6.0 UNIT mm−1 mm3 mm mm2 mm2 g >9.3 20.3 0 −0.8 ∅7.25 handbook, halfpage RM7/ILP 17.2 0 −0.7 3.3 0 −0.3 7.6 ±0.25 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 3C90 3F3 3F4 AL (nH) 3650 ±25% 3100 ±25% 1800 ±25% µe ≈ 1 510 ≈ 1 280 ≈ 740 AIR GAP (µm) ≈0 ≈0 ≈0 TYPE NUMBER RM7/ILP-3C90 RM7/ILP-3F3 RM7/ILP-3F4 Properties of core sets under power conditions B (mT) at GRADE H = 250 A/m; f = 25 kHz; T = 100 °C ≥320 ≥300 ≥250 f = 25 kHz; ˆ B = 200 mT; T = 100 °C ≤ 0.13 − − f = 100 kHz; ˆ B = 100 mT; T = 100 °C ≤ 0.14 ≤ 0.12 − CORE LOSS (W) at f = 400 kHz; ˆ B = 50 mT; T = 100 °C − ≤ 0.20 − f = 1 MHz; ˆ B = 30 mT; T = 100 °C − − ≤ 0.32 f = 3 MHz; ˆ B = 10 mT; T = 100 °C − − ≤ 0.5 3C90 3F3 3F4 2008 Sep 01 1240 Ferroxcube RM, RM/I, RM/ILP cores and accessories MOUNTING PARTS General data ITEM Clamping force Clip material Type number ≈20 N stainless steel (CrNi) CLI-RM7/ILP 8.8 RM7/ILP SPECIFICATION 2.7 handbook, halfpage R16 6.7 CBW622 Dimensions in mm. Fig.2 Mounting clip for RM7/ILP. 2008 Sep 01 1241 Ferroxcube RM, RM/I, RM/ILP cores and accessories DATA SHEET STATUS DEFINITIONS DATA SHEET STATUS Preliminary specification Product specification PRODUCT STATUS Development DEFINITIONS RM7/ILP 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 1242