Ferroxcube
Planar E cores and accessories
CORES
Effective core parameters of a set of E cores
SYMBOL
Σ(I/A)
V
e
I
e
A
e
A
min
m
PARAMETER
core factor (C1)
effective volume
effective length
effective area
minimum area
mass of core half
VALUE
1.43
300
20.7
14.3
14.3
≈
0.6
UNIT
mm
−1
mm
3
mm
mm
2
mm
2
g
handbook, halfpage
E14/3.5/5
14
±
0.3
11
±
0.25
3
±
0.05
2
±
0.1
3.5
±
0.1
5
±
0.1
R 0.8 (12x)
MBE644
Dimensions in mm.
Fig.1 E14/3.5/5 core.
Effective core parameters of an E/PLT combination
SYMBOL
Σ(I/A)
V
e
I
e
A
e
A
min
m
PARAMETER
core factor (C1)
effective volume
effective length
effective area
minimum area
mass of plate
VALUE
1.16
240
16.7
14.5
14.5
≈
0.5
UNIT
mm
−1
mm
3
mm
mm
2
mm
2
g
handbook, halfpage
14
±
0.3
1.5
±
0.05
Ordering information for plates
GRADE
3C90
3C92
3C93
3C94
3C96
3F3
3F35
3F4
3F45
3E6
2004 Sep 01
TYPE NUMBER
PLT14/5/1.5-3C90
PLT14/5/1.5-3C92
PLT14/5/1.5-3C93
PLT14/5/1.5-3C94
PLT14/5/1.5-3C96
PLT14/5/1.5-3F3
PLT14/5/1.5-3F35
PLT14/5/1.5-3F4
PLT14/5/1.5-3F45
PLT14/5/1.5-3E6
2
Dimensions in mm.
R 0.8
MBE652
5
±
0.1
Fig.2 PLT14/5/1.5.