EQ25 Datasheet, PDF (2/4 Pages) Ferroxcube International Holding B.V. – EQ cores and accessories

Ferroxcube
EQ cores and accessories
CORES
Effective core parameters of a set of EQ cores
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
0.414 mm^−1
4145 mm³
41.4 mm
100
mm²
95.0 mm²
≈ 11 g
ha⁵n^.d¹b⁵ook, halfpage
± 0.15
25 ± 0.4
22 ± 0.4
15.2 ± 0.7
11 ± 0.2
EQ25
8.0
± 0.1
18
± 0.3
Dimensions in mm.
Fig.1 EQ25 core.
MFP003
Core halves for general purpose transformers and power applications
Clamping force for A_L measurements, 40 ± 20 N.
GRADE
A_L
(nH)
µ_e
AIR GAP
(µm)
3C94
4800 ± 25 %
≈ 1580
≈0
3C95
5710 ± 25 %
≈ 1880
≈0
3C96
4400 ± 25 %
≈ 1450
≈0
3F35
3350 ± 25 %
≈ 1100
≈0
3F4
2300 ± 25 %
≈ 758
≈0
3F45
2300 ± 25 %
≈ 758
≈0
TYPE NUMBER
EQ25-3C94
EQ25-3C95
EQ25-3C96
EQ25-3F35
EQ25-3F4
EQ25-3F45
2008 Sep 01
2