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
0.323
5380
41.4
130
130
≈
13
UNIT
mm
−1
mm
3
mm
mm
2
mm
2
g
R0.25 typ.
handbook, halfpage
E32/6/20
31.75
±0.64
24.9 min.
6.35
±0.13
3.18
±0.2
6.35
±0.13
20.32
±0.41
R0.64 ref. typ.
CBW407
Dimensions in mm.
Fig.1 E32/6/20.
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
0.278
4560
35.1
130
130
≈
10
UNIT
mm
−1
mm
3
mm
mm
2
mm
2
g
handbook, halfpage
31.75
±0.64
3.18
±0.13
Ordering information for plates
GRADE
3C90
3C92
3C93
3C94
3C96
3F3
3F4
TYPE NUMBER
PLT32/20/3-3C90
PLT32/20/3-3C92
PLT32/20/3-3C93
PLT32/20/3-3C94
PLT32/20/3-3C96
PLT32/20/3-3F3
PLT32/20/3-3F4
Dimensions in mm.
20.32
±0.41
R0.64 ref. typ.
CBW408
Fig.2 PLT32/20/3.
2004 Sep 01
2
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