FERROXCUBE DATA SHEET RM4/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 RM4/ILP CORE SETS Effective core parameters SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 1.19 mm−1 Ve effective volume 251 mm3 Ie effective length 17.3 mm Ae effective area 14.5 mm2 Amin minimum area 11.3 mm2 m mass of set ≈ 1.3 g handbook, halfpage 0 9.8 0.4 4.6 0 2.5 0.2 5.8 min 0 11 0.5 O 3.9 0 0.2 0 4.3 + 0.4 7.8 − 0.2 0 6.3 ± 0.25 O 7.95 0.4 0 MBE864 Dimensions in mm. Fig.1 RM4/ILP core set. Core sets for general purpose transformers and power applications Clamping force for AL measurements, 10 ±5 N. GRADE AL (nH) AIR GAP (µm) µe TYPE NUMBER 3C90 1400 ±25% ≈ 1330 ≈0 RM4/ILP-3C90 3C94 1400 ±25% ≈ 1330 ≈0 RM4/ILP-3C94 3C95 1610 ±25% ≈ 1535 ≈0 RM4/ILP-3C95 3C96 1250 ±25% ≈ 1190 ≈0 RM4/ILP-3C96 3F3 1200 ±25% ≈ 1140 ≈0 RM4/ILP-3F3 3F35 1000 ±25% ≈ 950 ≈0 RM4/ILP-3F35 3F4 750 ±25% ≈ 710 ≈0 RM4/ILP-3F4 3F45 750 ±25% ≈ 710 ≈0 RM4/ILP-3F45 Core sets for filter applications Clamping force for AL measurements, 10 ±5 N. GRADE 3B46 2008 Sep 01 AL (nH) µe AIR GAP (µm) 1900 ± 25 % ≈ 1800 ≈0 2 TYPE NUMBER RM4/ILP-3B46 Ferroxcube RM, RM/I, RM/ILP cores and accessories RM4/ILP Core sets of high permeability grades Clamping force for AL measurements, 10 ±5 N. AL (nH) µe AIR GAP (µm) 3E5 5000 +40/−30% ≈ 4750 ≈0 RM4/ILP-3E5 3E6 6000 +40/−30% ≈ 5700 ≈0 RM4/ILP-3E6 GRADE TYPE NUMBER 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 3C90 ≥320 ≤ 0.04 ≤ 0.04 − − − 3C94 ≥320 − ≤ 0.024 − ≤ 0.13 − 3C95 ≥320 − − ≤ 0.14 ≤ 0.13 − GRADE f = 100 kHz; ˆ = 100 mT; B T = 100 °C f = 100 kHz; ˆ = 200 mT; B T = 25 °C f = 100 kHz; ˆ = 200 mT; B T = 100 °C f = 400 kHz; ˆ = 50 mT; B T = 100 °C 3C96 ≥340 − ≤ 0.018 − ≤ 0.1 ≤ 0.06 3F3 ≥300 − ≤ 0.04 − − ≤ 0.06 3F35 ≥300 − − − − ≤ 0.03 3F4 ≥250 − − − − − Properties of core sets under power conditions (continued) B (mT) at CORE LOSS (W) at H = 250 A/m; f = 25 kHz; T = 100 °C f = 500 kHz; ˆ = 50 mT; B T = 100 °C f = 500 kHz; ˆ = 100 mT; B T = 100 °C f = 1 MHz; ˆ = 30 mT; B T = 100 °C f = 1 MHz; ˆ = 50 mT; B T = 100 °C f = 3 MHz; ˆ = 10 mT; B T = 100 °C 3C90 ≥320 − − − − − 3C94 ≥320 − − − − − 3C95 ≥320 − − − − − 3C96 ≥340 ≤ 0.1 − − − − 3F3 ≥300 − − − − − 3F35 ≥300 ≤ 0.04 ≤ 0.3 − − − 3F4 ≥250 − − ≤ 0.08 − ≤ 0.12 3F45 ≥250 − − ≤ 0.058 ≤ 0.22 ≤ 0.1 GRADE 2008 Sep 01 3 Ferroxcube RM, RM/I, RM/ILP cores and accessories RM4/ILP COIL FORMERS General data SMD coil former PARAMETER SPECIFICATION Coil former material phenolformaldehyde (PF), glass-reinforced, flame retardant in accordance with “UL 94V-0” ; UL file number E41429 (M) Solder pad material copper-clad steel, tin (Sn) plated Maximum operating temperature 155 °C, “IEC 60085”, class F Resistance to soldering heat “IEC 60068-2-20” , Part 2, Test Tb, method 1B, 350 °C, 3.5 s Solderability “IEC 60068-2-20”, Part 2, Test Ta, method 1 ∅ 8 ±0.1 ∅ 4.9 0 −0.1 ∅ 4 +0.1 0 1 3 2 handbook, full pagewidth 4.3 0 −0.2 4.3 max. 3 min. 2.6 1.8 1 0.35 2.8 7.8 CBW510 11.8 max. 3 9 12 max. Dimensions in mm. Fig.2 SMD coil former for RM4/ILP. Winding data and area product for RM4/ILP coil former (SMD) NUMBER OF SECTIONS NUMBER OF SOLDER PADS WINDING AREA (mm2) WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) AREA PRODUCT Ae x Aw (mm4) 1 8 3.75 3.0 20.7 54.4 2008 Sep 01 4 TYPE NUMBER CSVS-RM4/LP-1S-8PL Ferroxcube RM, RM/I, RM/ILP cores and accessories RM4/ILP MOUNTING PARTS General data ITEM SPECIFICATION Clamping force ≈5 N Clip material stainless steel (CrNi) Type number CLI-RM4/5/ILP 2.1 handbook, halfpage 7.1 5.6 R22 CBW275 Dimensions in mm. Fig.3 Mounting clip for RM4/ILP. 2008 Sep 01 5 Ferroxcube RM, RM/I, RM/ILP cores and accessories RM4/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 6