U10-8-3 Datasheet, PDF (2/4 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
A_min
minimum area
m
mass of core half
VALUE UNIT
4.74
mm^−1
309
mm³
38.3 mm
8.07 mm²
7.91 mm²
≈ 0.9 g
handbook, halfpage
9.9 ±0.3
4.35 ±0.2
U10/8/3
5
+0.3
0
8.2
0
−0.2
2.85
±0.15
CBW299
Dimensions in mm.
Fig.1 U10/8/3 core half.
Core halves
A_L measured on a combination of 2 U cores.
GRADE
A_L
(nH)
3C90
3C94
420 ±25%
470 ±25%
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
≤ 0.04
−
µ_e
≈ 1590
≈ 1770
TYPE NUMBER
U10/8/3-3C90
U10/8/3-3C94
CORE LOSS (W) at
f = 100 kHz;
B^ˆ = 100 mT;
T = 100 °C
≤ 0.04
≤ 0.03
f = 100 kHz;
B^ˆ = 200 mT;
T = 100 °C
−
≤ 0.18
2008 Sep 01
1302