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FERROXCUBE
DATA SHEET
E55/28/21 E cores and accessories
Supersedes data of September 2004 2008 Sep 01
Ferroxcube
E 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 core half VALUE 0.350 44000 124 353 345 108 UNIT mm-1 mm3 mm mm2 mm2 g
R < 0.6
handbook, halfpage
E55/28/21
56.2 0 -2.1 +1.5 37.5 0 17.2 0 -0.5 18.5 +0.8 0 27.5 0.3
R3
21.0
0 -0.8
CBW063
Dimensions in mm.
Fig.1 E55/28/21 core half.
Core halves AL measured in combination with a non-gapped core half, clamping force for AL measurements 40 20 N, unless stated otherwise. GRADE 3C81 AL (nH) 100 5%(1) 160 5%(1) 250 315 400 5%(1) 5%(1) 8%(1) e 28 45 70 88 112 176 2410 28 45 70 88 112 176 1760 2410 1310 1790 435 TOTAL AIR GAP (m) 8740 4560 2500 1840 1360 780 0 8740 4560 2500 1840 1360 780 0 0 0 0 TYPE NUMBER E55/28/21-3C81-E100 E55/28/21-3C81-E160 E55/28/21-3C81-E250 E55/28/21-3C81-E315 E55/28/21-3C81-E400 E55/28/21-3C81-E630 E55/28/21-3C81 E55/28/21-3C90-E100 E55/28/21-3C90-E160 E55/28/21-3C90-E250 E55/28/21-3C90-E315 E55/28/21-3C90-E400 E55/28/21-3C90-E630 E55/28/21-3C90 E55/28/21-3C91 E55/28/21-3C92 E55/28/21-3C94
630 10%(1) 8625 25% 3C90 100 250 315 630 3C91 3C92 3C94 2008 Sep 01 5%(1) 5%(1) 5%(1) 10%(1) 160 5%(1)
400 8%(1) 6300 25% 8625 25% 4700 25% 6400 25%
Ferroxcube
E cores and accessories
E55/28/21
GRADE 3C95 3F3
AL (nH) 8625 25% 100 160 315 400 5%(1) 5%(1) 5%(1) 8%(1)
e 2410 28 45 70 88 112 176 1590
TOTAL AIR GAP (m) 0 8740 4560 2500 1840 1360 780 0
TYPE NUMBER E55/28/21-3C95 E55/28/21-3F3-E100 E55/28/21-3F3-E160 E55/28/21-3F3-E250 E55/28/21-3F3-E315 E55/28/21-3F3-E400 E55/28/21-3F3-E630 E55/28/21-3F3
250 5%(1)
630 10%(1) 5700 25% Note
1. Measured in combination with an equal gapped core half. Properties of core sets under power conditions B (mT) at GRADE H = 250 A/m; f = 25 kHz; T = 100 C 320 320 320 370 320 320 320 f = 25 kHz; B = 200 mT; T = 100 C 9.0 4.8 - - - - - f = 100 kHz; B = 100 mT; T = 100 C - 5.9 3.5 (1) 3.8 3.8 - 5.6 CORE LOSS (W) at f = 100 kHz; B = 200 mT; T = 25 C - - - - - 27.7 - f = 100 kHz; B = 200 mT; T = 100 C - - 20(1) 27 27 26.4 - f = 400 kHz; B = 50 mT; T = 100 C - - - - - - 10
3C81 3C90 3C91 3C92 3C94 3C95 3F3 Note
1. Measured at 60 C.
2008 Sep 01
436
Ferroxcube
E cores and accessories
COIL FORMERS General data for E55/28/21 coil former without pins PARAMETER Coil former material Maximum operating temperature SPECIFICATION
E55/28/21
polyamide (PA6.6), glass reinforced, flame retardant in accordance with "UL 94-HB"; UL file number E41613(M) 130 C, "IEC 60085", class B
3 0.1 (5x)
2 0.1 (6x)
handbook, full pagewidth
5 0.1
20 0 -0.2
21.7 +0.2 23.8 0 43.5 0 0 -0.2 -0.2
1 0.1
CBW064
17.6 +0.2 0 24.2 0.2 37 0 -0.2
33.2 +0.2 0 35.7 0.1 38.8 0.2
Dimensions in mm.
Fig.2 E55/28/21 coil former (E). Winding data and area product for E55/28/21 coil former without pins (E) NUMBER OF SECTIONS 1 MINIMUM WINDING AREA (mm2) 250 MINIMUM WINDING WIDTH (mm) 33.2 AVERAGE LENGTH OF TURN (mm) 116 AREA PRODUCT Ae x Aw (mm4) 88250
TYPE NUMBER
CP-E55/28/21-1S
2008 Sep 01
437
Ferroxcube
E cores and accessories
General data for E55/28/21 coil former without pins (A) PARAMETER Coil former material Maximum operating temperature SPECIFICATION
E55/28/21
polyamide (PA6.6), glass reinforced, flame retardant in accordance with "UL 94-HB"; UL file number E41938(M) 130 C, "IEC 60085", class B
handbook, full pagewidth
36.6 19 16.9
37 33.7
42.15 21.1 max. min.
CBW065
Dimensions in mm.
Fig.3 E55/28/21 coil former (A). Winding data and area product for E55/28/21 coil former without pins (A) NUMBER OF SECTIONS 1 MINIMUM WINDING AREA (mm2) 277 NOMINAL WINDING WIDTH (mm) 33.7 AVERAGE LENGTH OF TURN (mm) 113 AREA PRODUCT Ae x Aw (mm4) 97800
TYPE NUMBER
CP-E55/28/21-1S-A
2008 Sep 01
438
Ferroxcube
E cores and accessories
General data for 14-pins E55/28/21 coil former PARAMETER Coil former material Pin material Maximum operating temperature Resistance to soldering heat Solderability SPECIFICATION
E55/28/21
polyamide (PA6.6), glass reinforced, flame retardant in accordance with "UL 94-HB"; UL file number E41938(M) copper-zinc alloy (CuZn), tin (Sn) plated 105 C, "IEC 60085", class A "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
37.35 max. 19.75 17.45 min. 35.65 max. 33
44.2 max.
21.15 min.
23.7
7.4 min. 5 1.15
CBW066
0.4 40.15 43.95 max. 4.3 min.
Dimensions in mm.
Fig.4 E55/28/21 coil former; 14-pins. Winding data and area product for 14-pins E55/28/21 coil former NUMBER OF SECTIONS 1 MINIMUM WINDING AREA (mm2) 278 NOMINAL WINDING WIDTH (mm) 33 AVERAGE LENGTH OF TURN (mm) 119 AREA PRODUCT Ae x Aw (mm4) 98100
TYPE NUMBER
CPH-E55/28/21-1S-14P-Z
2008 Sep 01
439
Ferroxcube
E cores and accessories
MOUNTING PARTS ITEM Clasp Spring steel, zinc (Zn) plated steel, zinc (Zn) plated REMARKS
E55/28/21
GENERAL DATA FOR MOUNTING PARTS FIGURE 5 6 TYPE NUMBER CLA-E55/28/21 SPR-E55/28/21
58.8 max.
handbook, full pagewidth
35
23.5
21
27.94
2.8 50.8
CBW495
44
4 9
Dimensions in mm.
65.3 max.
Fig.5 E55/28/21 clasp.
handbook, full pagewidth
6.8 +0.5 0 0.2 min. 21 0.2
60.2 0.2
46
56.1
CBW068
4.2
24.3
Dimensions in mm.
Fig.6 E55/28/21 spring.
2008 Sep 01
440
Ferroxcube
E cores and accessories
DATA SHEET STATUS DEFINITIONS DATA SHEET STATUS Preliminary specification Product specification PRODUCT STATUS Development DEFINITIONS
E55/28/21
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
441

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