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FERROXCUBE
DATA SHEET
EFD20/10/7 EFD cores and accessories
Supersedes data of September 2004 2008 Sep 01
Ferroxcube
EFD cores and accessories
CORES Effective core parameters SYMBOL (I/A) Ve Ie Ae Amin m PARAMETER core factor (C1) effective volume effective length effective area minimum area mass of core half VALUE 1.52 1460 47.0 31.0 29 3.5 UNIT mm -1 mm 3 mm mm 2 mm 2 g
20 0.55 15.4 0.5 8.9 0.2 6.65 0.17 0.15
handbook, halfpage
EFD20/10/7
10 0.15
7.7 0.25
3.6 0.15
MGC345
Dimensions in mm.
Fig.1 EFD20/10/7 core half. Core halves AL measured in combination with a non-gapped core half, clamping force for AL measurements 20 10 N, unless stated otherwise. GRADE 3C90 AL (nH) 63 3%(1) 100 3% 160 5% 250 8% 315 10% 1300 25% 3C94 63 3%(1) 100 3% 160 5% 250 8% 315 10% 1300 25% 3C95 3C96 3F3 1540 25% 1200 25% 63 3%(1) 100 3% 160 5% 250 8% 315 10% 1200 25% 2008 Sep 01 e 76 121 193 302 380 1570 76 121 193 302 380 1570 1865 1450 76 121 193 302 380 1450 2 TOTAL AIR GAP (m) 960 510 280 160 120 0 960 510 280 160 120 0 0 0 960 510 280 160 120 0 TYPE NUMBER EFD20/10/7-3C90-E63 EFD20/10/7-3C90-A100 EFD20/10/7-3C90-A160 EFD20/10/7-3C90-A250 EFD20/10/7-3C90-A315 EFD20/10/7-3C90 EFD20/10/7-3C94-E63 EFD20/10/7-3C94-A100 EFD20/10/7-3C94-A160 EFD20/10/7-3C94-A250 EFD20/10/7-3C94-A315 EFD20/10/7-3C94 EFD20/10/7-3C95 EFD20/10/7-3C96 EFD20/10/7-3F3-E63 EFD20/10/7-3F3-A100 EFD20/10/7-3F3-A160 EFD20/10/7-3F3-A250 EFD20/10/7-3F3-A315 EFD20/10/7-3F3
Ferroxcube
EFD cores and accessories
EFD20/10/7
GRADE 3F35 3F4
AL (nH) 920 25% 63 3%(1) 100 3% 160 5% 250 8% 315 10% 650 25%
e 1110 76 121 193 302 380 780 780
TOTAL AIR GAP (m) 0 900 450 230 120 80 0 0
TYPE NUMBER EFD20/10/7-3F35 EFD20/10/7-3F4-E63 EFD20/10/7-3F4-A100 EFD20/10/7-3F4-A160 EFD20/10/7-3F4-A250 EFD20/10/7-3F4-A315 EFD20/10/7-3F4 EFD20/10/7-3F45
3F45 Note
650 25%
1. Measured in combination with an equal gapped core half, clamping force for AL measurements, 20 10 N.
Properties of core sets under power conditions B (mT) at GRADE H = 250 A/m;f = 25 kHz; T = 100 C 330 330 330 330 300 315 300 f = 25 kHz; = 200 mT; B T = 100 C 0.16 - - - - - - f = 100 kHz; B = 100 mT; T = 100 C 0.17 0.13 - 0.1 - 0.17 - CORE LOSS (W) at f = 100 kHz; B = 200 mT; T = 25 C - - 0.86 - - - - f = 100 kHz; B = 200 mT; T = 100 C - 0.8 0.82 0.6 - - - f = 400 kHz; B = 50 mT; T = 100 C - - - 0.26 0.13 0.28 -
3C90 3C94 3C95 3C96 3F35 3F3 3F4
Properties of core sets under power conditions (continued) B (mT) at GRADE H = 250 A/m; f = 25 kHz; T = 100 C 330 330 330 330 300 315 300 300 f = 500 kHz; B = 50 mT; T = 100 C - - - 0.5 0.2 - - - f = 500 kHz; B = 100 mT; T = 100 C - - - - 1.5 - - - CORE LOSS (W) at f = 1 MHz; B = 30 mT; T = 100 C - - - - - - 0.43 0.34 f = 1 MHz; B = 50 mT; T = 100 C - - - - - - - 1.25 f = 3 MHz; B = 10 mT; T = 100 C - - - - - - 0.7 0.55
3C90 3C94 3C95 3C96 3F35 3F3 3F4 3F45
2008 Sep 01
3
Ferroxcube
EFD cores and accessories
COIL FORMERS General data PARAMETER Coil former material Pin material Maximum operating temperature Resistance to soldering heat Solderability SPECIFICATION
EFD20/10/7
phenolformaldehyde (PF), glass-reinforced, flame retardant in accordance with "UL94 V-0" ; UL file number E167521(M) copper-tin alloy (CuSn), Ni flash, tin (Sn) plated, see note 1 180 C, "IEC 60085", class H "IEC 60068-2-20" , Part 2, Test Tb, method 1B, 350 C, 3.5 s "IEC 60068-2-20" , Part 2, Test Ta, method 1: 235 C, 2 s
handbook, full pagewidth
14.8 max 10.6 0 -0.15 9.23 +0.15 0 14.8 0 -0.2 13.2 min 5
10 max
9.5 max
3.93 +0.1 5.3 0 0 -0.1 5.2 0.3 1.6 5 0.1 15 0.1 20.2 max.
17.5 14.1 0.1 0.6 17.5 0.1 21.2 max.
1.3 +0.15 0
CBW087
Dimensions in mm.
Fig.2 EFD20/10/7 coil former; 8-pins. Winding data and area product for EFD20 coil former with 8-pins NUMBER OF SECTIONS 1 Note 1. Also available with post-inserted pins. WINDING AREA (mm2) 26.4 MINIMUM WINDING WIDTH (mm) 13.2 AVERAGE LENGTH OF TURN (mm) 36.5 AREA PRODUCT Ae x Aw (mm4) 818
TYPE NUMBER
CSH-EFD20-1S-8P(1)
2008 Sep 01
4
Ferroxcube
EFD cores and accessories
COIL FORMERS General data PARAMETER Coil former material Pin material Maximum operating temperature Resistance to soldering heat Solderability SPECIFICATION
EFD20/10/7
liquid crystal polymer (LCP), glass reinforced, flame retardant in accordance with "UL94 V-0"; UL file number E54705 (M) copper-tin alloy (CuSn), Ni flash, tin (Sn) plated 155 C, "IEC 60085", class F "IEC 60068-2-20" , Part 2, Test Tb, method 1B, 350 C, 3.5 s "IEC 60068-2-20" , Part 2, Test Ta, method 1: 235 C, 2 s
14.8 0 -0.2 0 10.3 -0.15 +0.1 9.2 0
3.75 0 14.8 -0.2 13.5 min. 0.5 0 3.9 +0.1 5 -0.1 0 3.8 0.3 17.5 19.5 23.5 0.2 1 +0.15 0
CBW269
9.5 0 -0.2
0.4 17.5
0.3 7.5 0.1 15 0.1 21.5 0.2
Dimensions in mm.
1.35 min. 0.7 0 -0.1
Fig.3 EFD20/10/7 coil former (PCB); 10-pins. Winding data and area product for EFD20/10/7 coil former (PCB) with 10-pins NUMBER OF SECTIONS 1 WINDING AREA (mm2) 27.7 MINIMUM WINDING WIDTH (mm) 13.5 AVERAGE LENGTH OF TURN (mm) 34.1 AREA PRODUCT Ae x Aw (mm4) 859
TYPE NUMBER
CPH-EFD20-1S-10PD-Z
2008 Sep 01
5
Ferroxcube
EFD cores and accessories
COIL FORMERS General data PARAMETER Coil former material Pin material Maximum operating temperature Resistance to soldering heat Solderability SPECIFICATION
EFD20/10/7
liquid crystal polymer (LCP), glass reinforced, flame retardant in accordance with "UL94 V-0"; UL file number E83005 (M) copper-tin alloy (CuSn), tin (Sn) plated 155 C, "IEC 60085", class F "IEC 60068-2-20" , Part 2, Test Tb, method 1B, 350 C, 3.5 s "IEC 60068-2-20" , Part 2, Test Ta, method 1: 235 C, 2 s
handbook, full pagewidth
14.8 0 -0.2 0 10.3 -0.15 9.2 +0.15 0
2 0 14.8 -0.2 (13.5 min.) 2.8
9.5 max.
0 3.9 +0.1 5 -0.1 0
0.3
20
0.3 7.5 0.05 15 0.05
1
1.8 21 23.7 max. 2
CBW270
21.7 max.
3.75
Dimensions in mm.
Fig.4 EFD20/10/7 coil former (SMD); 10-solder pads. Winding data and area product for EFD20/10/7 coil former (SMD) with 10-solder pads NUMBER OF SECTIONS 1 WINDING AREA (mm2) 27.7 MINIMUM WINDING WIDTH (mm) 13.5 AVERAGE LENGTH OF TURN (mm) 34.1 AREA PRODUCT Ae x Aw (mm4) 859
TYPE NUMBER
CPHS-EFD20-1S-10P
2008 Sep 01
6
Ferroxcube
EFD cores and accessories
COIL FORMERS General data PARAMETER Coil former material Solder pad material Maximum operating temperature Resistance to soldering heat Solderability SPECIFICATION
EFD20/10/7
phenolformaldehyde (PF), glass reinforced, flame retardant in accordance with "UL94 V-0"; UL file number E41429 (M) copper-tin alloy (CuSn), tin (Sn) plated 180 C, "IEC 60085", class H "IEC 60068-2-20" , Part 2, Test Tb, method 1B, 350 C, 3.5 s "IEC 60068-2-20" , Part 2, Test Ta, method 1: 235 C, 2 s
2 14.8 -0.2 10.4 0.2 9.2 +0.2
handbook, full pagewidth
14.8 -0.2 13.3 min.
2.8
10.2 max.
3.9 +0.2 5.3 -0.2
20
0.3
1
7.5 15
1.8
21 23.7 max. 2
CBW500
21.7 max. 3.75
Dimensions in mm.
Fig.5 EFD20/10/7 coil former (SMD); 10-solder pads. Winding data and area product for EFD20/10/7 coil former (SMD) with 10-solder pads NUMBER OF SECTIONS 1 NUMBER OF SOLDER PADS 10 WINDING AREA (mm2) 27.2 MINIMUM WINDING WIDTH (mm) 13.3 AVERAGE LENGTH OF TURN (mm) 34.9 AREA PRODUCT Ae x Aw (mm4) 843
TYPE NUMBER
CSHS-EFD20-1S-10P-Z
2008 Sep 01
7
Ferroxcube
EFD cores and accessories
MOUNTING PARTS General data ITEM Clamp Clip REMARKS stainless steel (CrNi); clamping force 30 N stainless steel (CrNi); clamping force 20 N FIGURE 6 7
EFD20/10/7
TYPE NUMBER CLM-EFD20 CLI-EFD20
21.5
0 -0.3 18.5 17
20 0.2 17.5
handbook, full pagewidth
4.7 19.3 0 -0.2 4 0.05
CBW169
Dimensions in mm.
Fig.6 Clamp CLM-EFD20
handbook, halfpage
5
6
24 18.3
MGC349
4
Dimensions in mm.
Fig.7 Clip CLI-EFD20.
2008 Sep 01
8
Ferroxcube
EFD cores and accessories
DATA SHEET STATUS DEFINITIONS DATA SHEET STATUS Preliminary specification Product specification PRODUCT STATUS Development DEFINITIONS
EFD20/10/7
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
9

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