E55-28-21 데이터 시트보기 (PDF) - Ferroxcube International Holding B.V.
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E55-28-21 Datasheet PDF : 8 Pages
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Ferroxcube
E cores and accessories
E55/28/21
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
Σ(I/A)
core factor (C1)
Ve
effective volume
Ie
effective length
Ae
effective area
Amin
minimum area
m
mass of core half
VALUE UNIT
0.350 mm−1
44000 mm3
124
mm
353
mm2
345
mm2
≈ 108 g
handbook, halfpage
R < 0.6
56.2
0
−2.1
37.5
+1.5
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
3C90
3C91
3C92
3C94
AL
(nH)
100 ±5%(1)
160 ±5%(1)
250 ±5%(1)
315 ±5%(1)
400 ±8%(1)
630 ±10%(1)
8625 ±25%
100 ±5%(1)
160 ±5%(1)
250 ±5%(1)
315 ±5%(1)
400 ±8%(1)
630 ±10%(1)
6300 ±25%
8625 ±25%
4700 ±25%
6400 ±25%
µe
≈ 28
≈ 45
≈ 70
≈ 88
≈ 112
≈ 176
≈ 2410
≈ 28
≈ 45
≈ 70
≈ 88
≈ 112
≈ 176
≈ 1760
≈ 2410
≈ 1310
≈ 1790
TOTAL AIR GAP
(µm)
≈ 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
2008 Sep 01
435
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