FERROXCUBE DATA SHEET RM7/I 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/I CORE SETS Effective core parameters handbook, halfpage SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 0.680 mm−1 Ve effective volume 1325 mm3 Ie effective length 30.0 mm Ae effective area 44.1 mm2 Amin minimum area 39.6 mm2 m mass of set ≈ 7.5 g 0 17.2 0.7 3.3 9.3 0 0.8 20.3 0 0.3 O 7.25 11.3 0.25 0.5 13.4 8.4 0 0.1 MGC065 0.6 O 14.75 0 Dimensions in mm. Fig.1 RM7/I core set. Core sets for general purpose transformers and power applications Clamping force for AL measurements 40 ±20 N. GRADE 3C90 AL (nH) µe AIR GAP (µm) ≈ 54 ≈ 730 RM7/I-3C90-A100 160 ±3% ≈ 87 ≈ 410 RM7/I-3C90-A160 250 ±3% ≈ 135 ≈ 240 RM7/I-3C90-A250 ≈ 1620 ≈0 ≈ 54 ≈ 730 RM7/I-3F3-A100 160 ±3% ≈ 87 ≈ 410 RM7/I-3F3-A160 250 ±3% ≈ 135 ≈ 240 RM7/I-3F3-A250 ≈ 1350 ≈0 100 ±3% 3000 ±25% 3F3 100 ±3% 2500 ±25% TYPE NUMBER RM7/I-3C90 RM7/I-3F3 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 3C90 ≥320 ≤ 0.16 ≤ 0.17 − 3F3 ≥315 − ≤ 0.15 ≤ 0.25 GRADE 2008 Sep 01 1233 Ferroxcube RM, RM/I, RM/ILP cores and accessories RM7/I COIL FORMER General data PARAMETER SPECIFICATION Coil former material phenolformaldehyde (PF), glass-reinforced, flame retardant in accordance with UL 94V-0; UL file number E167521(M) Pin material copper-tin alloy (CuSn), tin (Sn) plated Maximum operating temperature 180 °C, “IEC 60085”, class H Resistance to soldering heat “IEC 60 068-2-20”, Part 2, Test Tb, method 1B, 350 °C, 3.5 s Solderability “IEC 60 068-2-20”, Part 2, Test Ta, method 1 0 8.3 0.15 handbook, full pagewidth 0 1 0.1 15.24 2.54 (6.85 min) 10.16 5.08 0.45 2 3 4 5 1.8 0.75 O 0.8 1 min 1 0 0 O 14.65 0.2 O 8.3 0.1 9.4 8 7 0.4 6 0.9 5.5 0.15 1.3 0 MGC066 Dimensions in mm. Fig.2 RM7/I coil former. Winding data and area product for RM7/I coil former NUMBER OF SECTIONS NUMBER OF PINS PIN POSITIONS USED AVERAGE LENGTH OF TURN (mm) WINDING AREA (mm2) WINDING WIDTH (mm) AREA PRODUCT Ae x Aw (mm4) 1 4 1, 2, 5, 6 35 21 6.85 926 1 8 all 35 21 6.85 926 CSV-RM7-1S-8P 2 8 all 35 2 × 9.8 2 × 3.2 2 x 432 CSV-RM7-2S-8P 1 5 1, 2, 4, 5, 8 35 21 6.85 926 CSV-RM7-1S-5P 2 5 1, 2, 4, 5, 8 35 2 × 9.8 2 × 3.2 2 x 432 CSV-RM7-2S-5P 2008 Sep 01 1234 TYPE NUMBER CSV-RM7-1S-4P Ferroxcube RM, RM/I, RM/ILP cores and accessories RM7/I MOUNTING PARTS General data ITEM SPECIFICATION Clamping force ≈20 N Clip material steel Clip plating tin (Sn) Solderability “IEC 60 068-2-20”, Part 2, Test Ta, method 1 Type number CLI/P-RM7 2.5 handbook, halfpage 12.9 R35 5.2 0.55 MGC067 Dimensions in mm. Fig.3 Mounting clip for RM7/I. 2008 Sep 01 1235 10.5 Ferroxcube RM, RM/I, RM/ILP cores and accessories RM7/I COIL FORMER General data PARAMETER SPECIFICATION Coil former material phenolformaldehyde (PF), glass-reinforced, flame retardant in accordance with UL 94V-0; UL file number E41429 (M) Pin material copper-tin alloy (CuSn), tin (Sn) plated Maximum operating temperature 155 °C, “IEC 60085”, class F Resistance to soldering heat “IEC 60 068-2-20”, Part 2, Test Tb, method 1B, 350 °C, 3.5 s Solderability “IEC 60 068-2-20”, Part 2, Test Ta, method 1 15.7 max 8.25 0 − 0.15 0.9 6.6 min 12.5 5 0.5 2 2 2.8 ∅ 8.3 0 − 0.15 15.8 18.4 max 14.8 2 0.3 5 7.4+ 0.15 0 14.65 0 − 0.25 10.9 max 3.75 MFP106 Dimensions in mm. Fig.4 RM7/I coil former, 8-pins. Winding data and area product for RM7/I coil former NUMBER OF SECTIONS NUMBER OF PINS PIN POSITIONS USED AVERAGE LENGTH OF TURN (mm) WINDING AREA (mm 2) WINDING WIDTH (mm) AREA PRODUCT Ae x Aw (mm4) 1 8 all 35 20 6.6 882 2008 Sep 01 1236 TYPE NUMBER CSVS-RM7-1S-8P-Z Ferroxcube RM, RM/I, RM/ILP cores and accessories RM7/I MOUNTING PARTS General data ITEM SPECIFICATION Clamping force ≈20 N Clip material stainless steel (CrNi) Type number CLI-RM7 2.5 R 35 12.9 10.5 MFP107 Dimensions in mm. Fig.5 Mounting clip for RM7/I. 2008 Sep 01 1237 Ferroxcube RM, RM/I, RM/ILP cores and accessories RM7/I 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 1238