FERROXCUBE DATA SHEET RM4/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 RM4/I CORE SETS Effective core parameters SYMBOL PARAMETER VALUE handbook, halfpage UNIT Σ(I/A) core factor (C1) 1.69 mm−1 Ve effective volume 322 mm3 Ie effective length 23.3 mm Ae effective area 13.8 mm2 Amin minimum area 11.5 mm2 m mass of set ≈ 1.7 g 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 9 0.25 0.4 10.4 7 0 0.1 MBE102 0.4 O 7.95 0 Dimensions in mm. Fig.1 RM4/I 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 1125 ±25% ≈ 1510 ≈0 RM4/I-3C90 3C94 1125 ±25% ≈ 1510 ≈0 RM4/I-3C94 3C95 1320 ±25% ≈ 1785 ≈0 RM4/I-3C95 3C96 1000 ±25% ≈ 1340 ≈0 RM4/I-3C96 100 ±3% ≈ 134 ≈ 200 RM4/I-3F3-A100 3F3 160 ±3% ≈ 215 ≈ 110 RM4/I-3F3-A160 250 ±10% ≈ 336 ≈ 60 RM4/I-3F3-A250 950 ±25% ≈ 1280 ≈0 3F35 800 ±25% ≈ 1080 ≈0 3F4 100 ±3% ≈ 134 ≈ 180 RM4/I-3F4-A100 160 ±3% ≈ 215 ≈ 95 RM4/I-3F4-A160 250 ±10% ≈ 336 ≈ 45 RM4/I-3F4-A250 560 ±25% ≈ 750 ≈0 RM4/I-3F4 560 ±25% ≈ 750 ≈0 RM4/I-3F45 3F45 2008 Sep 01 2 RM4/I-3F3 RM4/I-3F35 Ferroxcube RM, RM/I, RM/ILP cores and accessories RM4/I Core sets for filter applications Clamping force for AL measurements, 10 ±5 N. GRADE 3B46 AL (nH) µe AIR GAP (µm) 1550 ± 25 % ≈ 2085 ≈0 AL (nH) µe AIR GAP (µm) 3500 +40/−30% ≈ 4700 ≈0 TYPE NUMBER RM4/I-3B46 Core sets of high permeability grades Clamping force for AL measurements, 10 ±5 N. GRADE 3E5 TYPE NUMBER RM4/I-3E5 Properties of core sets under power conditions B (mT) at GRADE 3C90 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 = 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 ≥320 ≤ 0.04 ≤ 0.04 − − − 3C94 ≥320 − ≤ 0.03 − ≤ 0.2 − 3C95 ≥320 − − ≤ 0.18 ≤ 0.17 − 3C96 ≥340 − ≤ 0.025 − ≤ 0.15 ≤ 0.07 3F3 ≥300 − ≤ 0.05 − − ≤ 0.07 3F35 ≥300 − − − − ≤ 0.04 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 ≤ 0.15 − − − − 3F3 ≥300 − − − − − 3F35 ≥300 ≤ 0.05 ≤ 0.4 − − − 3F4 ≥250 − − ≤ 0.09 − ≤ 0.15 3F45 ≥250 − − ≤ 0.074 ≤ 0.28 ≤ 0.13 GRADE 2008 Sep 01 3 Ferroxcube RM, RM/I, RM/ILP cores and accessories RM4/I COIL FORMERS Coil formers are equal to those of “RM4”, but “area product” is different. Winding data and area product (for RM4/I) for RM4 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 6 all 20 7.4 5.55 102 CSV-RM4-1S-6P() 1 5 1, 2, 3, 5, 6 20 7.4 5.55 102 CSV-RM4-1S-5P() 2 5 1, 2, 3, 5, 6 20 7 2 x 2.55 96.6 CSV-RM4-2S-5P 9.8 R22 TYPE NUMBER Note : Also available with post-inserted pins. MOUNTING PARTS General data mounting clip with earth pin ITEM Clamping force SPECIFICATION ≈5N Clip material stainless steel (CrNi) Clip plating tin (Sn) Solderability ‘‘IEC 60 068-2-20’’, Part 2, Test Ta, method 1 Type number 2.1 handbook, halfpage 8.2 CLI/P-RM4/5/I 4.3 0.7 CBW361 Dimensions in mm. Fig.2 Mounting clip with earth pin for RM4/I. General data mounting clip without earth pin ITEM Clamping force SPECIFICATION handbook, halfpage 2.1 ≈5N Clip material stainless steel (CrNi) Type number CLI-RM4/5/I 8.2 9.8 R22 CBW124 Dimensions in mm. Fig.3 Mounting clip without earth pin for RM4/I. 2008 Sep 01 4 Ferroxcube RM, RM/I, RM/ILP cores and accessories RM4/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 5