U126-91-20_2010 Datasheet, PDF (2/3 Pages) Ferroxcube International Holding B.V. – U, I cores and accessories

Ferroxcube
U, I cores and accessories
U126/91/20
U CORES
Effective core parameters
SYMBOL
PARAMETER
Σ(I/A)
V_e
I_e
A_e
A_min
m
core factor (C1)
effective volume
effective length
effective area
minimum area
mass of core half
VALUE UNIT
0.857 mm^−1
268800 mm³
480
mm
560
mm²
560
mm²
≈ 680 g
handbook, halfpage
2
63 ± 2
91 ± 1
126 ± 4
70 ± 2
Core halves
A_L measured on a combination of 2 U cores.
GRADE
3C90
3C94
A_L
(nH)
3300 ± 25 %
3300 ± 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
20
± 0.6
MFP073
Dimensions in mm.
Fig.1 U126/91/20 core half.
µ_e
≈ 2050
≈ 2050
TYPE NUMBER
U126/91/20-3C90
U126/91/20-3C94
CORE LOSS (W) at
f = 25 kHz;
B^ˆ = 200 mT;
T = 100 °C
≤ 35
−
f = 100 kHz;
B^ˆ = 100 mT;
T = 100 °C
≤ 40
≤ 32
2010 Sep 01
1367