EPX7 Datasheet, PDF (2/7 Pages) Ferroxcube International Holding B.V. – EPX cores and accessories

Ferroxcube
EPX 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 set
VALUE UNIT
0.931 mm^−1
255
mm³
15.4 mm
16.5 mm²
14.5 mm²
≈ 2.1 g
EPX7
3.4_−
0
0.2
9_−
0
0.4
1.7
± 0.1
2.3
7.2⁺
0.4
0
7.5_−
0
0.2
4.6⁺
0.4
0
9.4_−
0
0.4
MFP001
Dimensions in mm.
Fig.1 EPX7 core set.
Core sets for general purpose transformers and power applications
Clamping force for A_L measurements, 30 ± 10 N.
GRADE
A_L (nH)
µ_e
AIR GAP (µm)
3C94
1950 ± 25 %
≈ 1440
≈0
3C96
1750 ± 25 %
≈ 1300
≈0
3F35
1400 ± 25 %
≈ 1040
≈0
Core sets for filter applications
Clamping force for A_L measurements, 30 ± 10 N.
GRADE
3B46
A_L (nH)
2500 ± 25 %
µ_e
≈ 1850
AIR GAP (µm)
≈0
TYPE NUMBER
EPX7-3C94
EPX7-3C96
EPX7-3F35
TYPE NUMBER
EPX7-3B46
2008 Sep 01
720