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
CORE SETS Effective core parameters
handbook, halfpage
RM7/I
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 0.680 1325 30.0 44.1 39.6 ≈ 7.5
UNIT mm−1 mm3 mm mm2 mm2 g
O 7.25 0 0.3 20.3 9.3 0 0.8 3.3
0 17.2 0.7
11.3 0.25
0.5 13.4 8.4 0 0.1
0.6 O 14.75 0
Dimensions in mm.
MGC065
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) 100 ±3% 160 ±3% 250 ±3% 3000 ±25% 3F3 100 ±3% 160 ±3% 250 ±3% 2500 ±25% µe ≈ 54 ≈ 87 ≈ 135 ≈ 1 620 ≈ 54 ≈ 87 ≈ 135 ≈ 1 350 AIR GAP (µm) ≈ 730 ≈ 410 ≈ 240 ≈0 ≈ 730 ≈ 410 ≈ 240 ≈0 TYPE NUMBER RM7/I-3C90-A100 RM7/I-3C90-A160 RM7/I-3C90-A250 RM7/I-3C90 RM7/I-3F3-A100 RM7/I-3F3-A160 RM7/I-3F3-A250 RM7/I-3F3
Properties of core sets under power conditions B (mT) at GRADE H = 250 A/m; f = 25 kHz; T = 100 °C ≥320 ≥315 f = 25 kHz; ˆ B = 200 mT; T = 100 °C ≤ 0.16 − CORE LOSS (W) at f = 100 kHz; ˆ B = 100 mT; T = 100 °C ≤ 0.17 ≤ 0.15 f = 400 kHz; ˆ B = 50 mT; T = 100 °C − ≤ 0.25
3C90 3F3
2008 Sep 01
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Ferroxcube
RM, RM/I, RM/ILP cores and accessories
COIL FORMER General data PARAMETER Coil former material Pin material Maximum operating temperature Resistance to soldering heat Solderability SPECIFICATION phenolformaldehyde (PF), glass-reinforced, flame retardant in accordance with UL 94V-0; UL file number E167521(M) copper-tin alloy (CuSn), tin (Sn) plated 180 °C, “IEC 60085”, class H “IEC 60 068-2-20” , Part 2, Test Tb, method 1B, 350 °C, 3.5 s “IEC 60 068-2-20”, Part 2, Test Ta, method 1
RM7/I
handbook, full pagewidth
0 8.3 0.15 15.24 10.16 5.08 2 3 4 1 min 0.45 (6.85 min)
0 1 0.1 0.75 O 0.8
2.54
1.8 1
5
0 0 O 14.65 0.2 O 8.3 0.1
9.4 8 7 6 0.4 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 1 1 2 1 2 NUMBER OF PINS 4 8 8 5 5 PIN POSITIONS USED 1, 2, 5, 6 all all 1, 2, 4, 5, 8 1, 2, 4, 5, 8 AVERAGE LENGTH OF TURN (mm) 35 35 35 35 35 WINDING AREA (mm2) 21 21 2 × 9.8 21 2 × 9.8 WINDING WIDTH (mm) 6.85 6.85 2 × 3.2 6.85 2 × 3.2 AREA PRODUCT Ae x Aw (mm4) 926 926 2 x 432 926 2 x 432
TYPE NUMBER
CSV-RM7-1S-4P CSV-RM7-1S-8P CSV-RM7-2S-8P CSV-RM7-1S-5P CSV-RM7-2S-5P
2008 Sep 01
1234
Ferroxcube
RM, RM/I, RM/ILP cores and accessories
MOUNTING PARTS General data ITEM Clamping force Clip material Clip plating Solderability Type number ≈20 N steel tin (Sn) “IEC 60 068-2-20”, Part 2, Test Ta, method 1 CLI/P-RM7
12.9 R35
RM7/I
SPECIFICATION
2.5 handbook, halfpage
10.5
0.55
MGC067
5.2
Dimensions in mm.
Fig.3 Mounting clip for RM7/I.
2008 Sep 01
1235
Ferroxcube
RM, RM/I, RM/ILP cores and accessories
COIL FORMER General data PARAMETER Coil former material Pin material Maximum operating temperature Resistance to soldering heat Solderability SPECIFICATION phenolformaldehyde (PF), glass-reinforced, flame retardant in accordance with UL 94V-0; UL file number E41429 (M) copper-tin alloy (CuSn), tin (Sn) plated 155 °C, “IEC 60085”, class F “IEC 60 068-2-20” , Part 2, Test Tb, method 1B, 350 °C, 3.5 s “IEC 60 068-2-20”, Part 2, Test Ta, method 1
RM7/I
15.7 max 8.25 0 − 0.15 0.9 2 6.6 min 0.5 12.5 5 2
2.8
15.8
∅ 8.3 0 − 0.15
18.4 max
14.8
2 7.4+ 0.15 0 14.65 0 − 0.25 5 3.75
MFP106
0.3
10.9 max
Dimensions in mm.
Fig.4 RM7/I coil former, 8-pins. Winding data and area product for RM7/I coil former NUMBER OF SECTIONS 1 NUMBER OF PINS 8 PIN POSITIONS USED all AVERAGE LENGTH OF TURN (mm) 35 WINDING AREA (mm 2) 20 WINDING WIDTH (mm) 6.6 AREA PRODUCT Ae x Aw (mm4) 882
TYPE NUMBER
CSVS-RM7-1S-8P-Z
2008 Sep 01
1236
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 SPECIFICATION
2.5
RM7/I
R 35 12.9 10.5
MFP107
Dimensions in mm.
Fig.5 Mounting clip for RM7/I.
2008 Sep 01
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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/I
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
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