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U46/40/28 Datasheet(PDF) 2 Page - Ferroxcube International Holding B.V.

Part # U46/40/28
Description  U, I cores and accessories
PDF  3 Pages
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Manufacturer  FERROXCUBE [Ferroxcube International Holding B.V.]
Direct Link  http://www.ferroxcube.com
Logo FERROXCUBE - Ferroxcube International Holding B.V.

U46/40/28 Datasheet(HTML) 2 Page - Ferroxcube International Holding B.V.

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2008 Sep 01
1337
Ferroxcube
U, I cores and accessories
U46/40/28
U CORES
Effective core parameters
SYMBOL
PARAMETER
VALUE
UNIT
Σ(I/A)
core factor (C1)
0.464
mm−1
Ve
effective volume
71300
mm3
Ie
effective length
182
mm
Ae
effective area
392
mm2
Amin
minimum area
392
mm2
m
mass of core half
≈ 182
g
25.5
± 0.75
39.5
± 0.25
18.0
± 0.5
46.0
± 1.0
28.0
± 0.8
R 0.2 +
0.2
0
R 3.0 max
R 0 +
0.4
0
MFP144
Fig.1 U46/40/28 core half.
Dimensions in mm.
Core halves
AL measured on a combination of 2 U cores.
Cores can be gapped on request in one leg.
Properties of core sets under power conditions
GRADE
AL
(nH)
µe
TYPE NUMBER
3C90
6000
± 25 %
≈ 2215
U46/40/28-3C90
3F3
5100
± 25 %
≈ 1880
U46/40/28-3F3
GRADE
B (mT) at
CORE LOSS (W) at
H = 250 A/m;
f = 25 kHz;
T = 100
°C
f= 100 kHz;
= 100 mT;
T=100
°C
f = 100 kHz;
=200 mT;
T = 100
°C
f = 400 kHz;
=50 mT;
T=100
°C
3C90
≥ 320
≤ 9.6
≤ 45
−
3F3
≥ 320
≤ 9.6
−≤ 45
B
ˆ
B
ˆ
B
ˆ



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