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FERROXCUBE
DATA SHEET
EP20 EP cores and accessories
Supersedes data of September 2004 2008 Sep 01
Ferroxcube
EP cores and accessories
CORE SETS 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 set VALUE 0.520 3230 41.1 78.7 60.8 27 UNIT mm-1 mm3 mm mm2 mm2 g
handbook, halfpage
EP20
8.8 0.25
15 0.35 4.5 0.2
21.4 0.2
MBG178
;;; ;;; ;;;
16.5 0.4 24 0.5
14.4 0.3
Dimensions in mm.
Fig.1 EP20 core set.
Core sets for general purpose transformers and power applications Clamping force for AL measurements, 60 20 N. GRADE 3C81 AL (nH) 160 3% 250 3% 315 3% 400 3% 630 5% 4900 25% 3C91 3C94 4900 25% 160 3% 250 3% 315 3% 400 3% 630 5% 4435 25% 3C96 3850 25% e 67 104 131 166 262 2040 2040 67 104 131 166 262 1840 1600 TOTAL AIR GAP (m) 790 460 350 260 150 0 0 790 460 350 260 150 0 0 TYPE NUMBER EP20-3C81-E160 EP20-3C81-A250 EP20-3C81-A315 EP20-3C81-A400 EP20-3C81-A630 EP20-3C81 EP20-3C91 EP20-3C94-E160 EP20-3C94-A250 EP20-3C94-A315 EP20-3C94-A400 EP20-3C94-A630 EP20-3C94 EP20-3C96
2008 Sep 01
712
Ferroxcube
EP cores and accessories
EP20
GRADE 3F3
AL (nH) 160 3% 250 3% 315 3% 400 3% 630 5% 3550 25%
e 67 104 131 166 262 1480
TOTAL AIR GAP (m) 790 460 350 260 150 0
TYPE NUMBER EP20-3F3-E160 EP20-3F3-A250 EP20-3F3-A315 EP20-3F3-A400 EP20-3F3-A630 EP20-3F3
Properties of core sets under power conditions B (mT) at GRADE H = 250 A/m; f = 25 kHz; T = 100 C 315 315 320 340 315 f = 25 kHz; B = 200 mT; T = 100 C 0.75 - - - - CORE LOSS (W) at f = 100 kHz; B = 100 mT; T = 100 C - 0.2(1) 0.25 0.2 0.36 f = 100 kHz; B = 200 mT; T = 100 C - 1.3(1) 1.6 1.3 - f = 400 kHz; B = 50 mT; T = 100 C - - - 0.5 0.62
3C81 3C91 3C94 3C96 3F3
Properties of core sets under power conditions (continued) B (mT) at GRADE H = 250 A/m; f = 25 kHz; T = 100 C 315 315 320 340 315 f = 500 kHz; B = 50 mT; T = 100 C - - - 1.0 - CORE LOSS (W) at f = 500 kHz; B = 100 mT; T = 100 C - - - - - f = 1 MHz; B = 30 mT; T = 100 C - - - - - f = 3 MHz; B = 10 mT; T = 100 C - - - - -
3C81 3C91 3C94 3C96 3F3 Note
1. Measured at 60 C.
2008 Sep 01
713
Ferroxcube
EP cores and accessories
COIL FORMER General data PARAMETER Coil former material Pin material Maximum operating temperature Resistance to soldering heat Solderability SPECIFICATION
EP20
phenolformaldehyde (PF), glass-reinforced, flame retardant in accordance with "UL 94V-0" ; UL file number E41429(M) copper-clad steel, 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
15.9 0.1 9.2 0.1
13.9 0.1 12.5 0.1 1+0.15 0
0 2.65-0.1
+0.05 10.25 -0.15
1.5 0.1
17.78
5 0.5
0.6 0.1 0.5 0.02 5.08 17.78 0.05 21.9 0.2
CBW623
20.32 0.05 25.1 0.2
Dimensions in mm.
Fig.2 EP20 coil former: 10-pins. Winding data and area product for 10-pins EP20 coil former NUMBER OF SECTIONS 1 2 MINIMUM WINDING AREA (mm2) 40.3 2 x 19.0 NOMINAL WINDING WIDTH (mm) 12.4 2 x 5.95 AVERAGE LENGTH OF TURN (mm) 39.4 39.4 AREA PRODUCT Ae x Aw (mm4) 3170 2 x 1500
TYPE NUMBER
CSH-EP20-1S-10P-T CSH-EP20-2S-10P-T
2008 Sep 01
714
Ferroxcube
EP cores and accessories
MOUNTING PARTS General data ITEM Clasp Spring REMARKS steel, tin (Sn) plated (thickness 3-5 microns) copper-tin alloy (CuSn), tin (Sn) plated FIGURE 3 4
EP20
TYPE NUMBER CLA-EP20-Z SPR-EP20-Z
26.5 5.2 0.15 23.3 3.5 1.8 21.2 0.15
6.5 0.1 4.2
18.2 0.1
5.5 0.1
25.4 0.1
12 0.1
MFP176
0.4 5.5 0.1 12 0.1
MFP177
Dimensions in mm.
Dimensions in mm.
Fig.3 Mounting clasp CLA-EP20.
Fig.4 Mounting spring SPR-EP20.
2008 Sep 01
715
Ferroxcube
EP cores and accessories
DATA SHEET STATUS DEFINITIONS DATA SHEET STATUS Preliminary specification Product specification PRODUCT STATUS Development DEFINITIONS
EP20
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
716

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