U100-57-25 Datasheet, PDF (2/3 Pages) Ferroxcube International Holding B.V. – U, I cores and accessories

Ferroxcube
U, I cores and accessories
U100/57/25
U CORES
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
0.478 mm^−1
199 000 mm³
308
mm
645
mm²
≈ 500 g
handbook, halfpage
2
31.7
0.75
57.1
0.4
101.6 2
50.8 1
25.4
0.8
25.4
0.8
MBA291
Core halves
A_L measured on a combination of 2 U cores.
GRADE
3C90
3C94
A_L
(nH)
5500 ±25%
5500 ±25%
Properties of core sets under power conditions
GRADE
3C90
3C94
B (mT) at
H = 250 A/m;
f = 25 kHz;
T = 100 °C
≥ 320
≥ 320
Dimensions in mm.
Fig.0 U100/57/25 core half.
µ_e
≈ 2200
≈ 2200
TYPE NUMBER
U100/57/25-3C90
U100/57/25-3C94
CORE LOSS (W) at
f = 25 kHz;
B^ˆ = 200 mT;
T = 100 °C
≤ 26
−
f = 100 kHz;
B^ˆ = 100 mT;
T = 100 °C
≤ 32
≤ 26
2008 Sep 01
1361