U30-25-16 Datasheet, PDF (2/3 Pages) Ferroxcube International Holding B.V. – U, I cores and accessories

Ferroxcube
U, I cores and accessories
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
Σ(I/A)
core factor (C1)
V_e
effective volume
I_e
effective length
A_e
effective area
m
mass of core half
VALUE UNIT
0.690 mm^−1
17900 mm³
111
mm
161
mm²
≈ 43 g
U30/25/16
31.3 ± 0.7
10.5 ± 0.5
14.9
± 0.4
25.3
± 0.2
16
0.5
0.1
MSA142
Dimensions in mm.
Fig.1 U30/25/16 core half.
Core halves
A_L measured on a combination of 2 U cores.
GRADE
A_L
(nH)
3C90
3C94
3700 ±25%
3700 ±25%
µ_e
≈ 2030
≈ 2030
TYPE NUMBER
U30/25/16-3C90
U30/25/16-3C94
Properties of core sets under power conditions
B (mT) at
GRADE
3C90
3C94
H = 250 A/m;
f = 25 kHz;
T = 100 °C
≥ 320
≥ 320
f = 25 kHz;
B^ˆ = 200 mT;
T = 100 °C
≤ 2.2
−
CORE LOSS (W) at
f = 100 kHz;
B^ˆ = 100 mT;
T = 100 °C
≤ 2.3
≤ 1.8
f = 100 kHz;
B^ˆ = 200 mT;
T = 100 °C
−
≤ 11
2008 Sep 01
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