FERROXCUBE
DATA SHEET
E18/4/10
Planar E cores and accessories
Supersedes data of September 2004
2008 Sep 01
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
0.616
960
24.3
39.3
39.3
≈
2.4
UNIT
mm
−1
mm
3
mm
mm
2
mm
2
g
handbook, halfpage
E18/4/10
18
±0.35
14
±0.3
4
±0.1
2
±0.1
4
±0.1
10
±0.2
R0.8 (12×)
CBW297
Dimensions in mm.
Fig.1 E18/4/10 core half.
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
0.514
800
20.3
39.5
39.5
≈
1.7
UNIT
mm
−1
mm
3
mm
mm
2
mm
2
g
handbook, halfpage
18
±0.35
2
±0.05
Ordering information for plates
GRADE
3C90
3C92
3C93
3C94
3C95
3C96
3F3
3F35
3F4
3F45
3E6
2008 Sep 01
TYPE NUMBER
PLT18/10/2-3C90
PLT18/10/2-3C92
PLT18/10/2-3C93
PLT18/10/2-3C94
PLT18/10/2-3C95
PLT18/10/2-3C96
PLT18/10/2-3F3
PLT18/10/2-3F35
PLT18/10/2-3F4
PLT18/10/2-3F45
PLT18/10/2-3E6
2
Dimensions in mm.
10
±0.2
R0.8
CBW298
Fig.2 PLT18/10/2.
Ferroxcube
Planar E cores and accessories
E18/4/10
Core halves for use in combination with an non-gapped E core
A
L
measured in combination with a non-gapped core half, clamping force for A
L
measurements, 20
±10
N, using a PCB
coil containing 4 layers of 8 tracks each, total height 1.6 mm.
GRADE
3C90
A
L
(nH)
100
±3%
160
±3%
250
±5%
315
±8%
3200
±25%
3C92
3C93
3C94
2330
±25%
2700
±25%
100
±3%
160
±3%
250
±5%
315
±8%
3200
±25%
3C95
3C96
3F3
3800
±25%
2900
±25%
100
±3%
160
±3%
250
±5%
315
±8%
2700
±25%
3F35
3F4
2200
±25%
100
±3%
160
±3%
250
±5%
315
±8%
1550
±25%
3F45
3E6
1550
±25%
13500
+40/-30%
µ
e
≈
49
≈
78
≈
123
≈
154
≈
1560
≈
1140
≈
1320
≈
49
≈
78
≈
123
≈
154
≈
1560
≈
1870
≈
1410
≈
49
≈
78
≈
123
≈
154
≈
1320
≈
1070
≈
49
≈
78
≈
123
≈
154
≈
760
≈
760
≈
6600
AIR GAP
(µm)
≈
800
≈
420
≈
220
≈
170
≈
0
≈
0
≈
0
≈
800
≈
420
≈
220
≈
170
≈
0
≈
0
≈
0
≈
800
≈
420
≈
220
≈
170
≈
0
≈
0
≈
800
≈
420
≈
220
≈
170
≈
0
≈
0
≈
0
TYPE NUMBER
E18/4/10-3C90-A100-E
E18/4/10-3C90-A160-E
E18/4/10-3C90-A250-E
E18/4/10-3C90-A315-E
E18/4/10-3C90
E18/4/10-3C92
E18/4/10-3C93
E18/4/10-3C94-A100-E
E18/4/10-3C94-A160-E
E18/4/10-3C94-A250-E
E18/4/10-3C94-A315-E
E18/4/10-3C94
E18/4/10-3C95
E18/4/10-3C96
E18/4/10-3F3-A100-E
E18/4/10-3F3-A160-E
E18/4/10-3F3-A250-E
E18/4/10-3F3-A315-E
E18/4/10-3F3
E18/4/10-3F35
E18/4/10-3F4-A100-E
E18/4/10-3F4-A160-E
E18/4/10-3F4-A250-E
E18/4/10-3F4-A315-E
E18/4/10-3F4
E18/4/10-3F45
E18/4/10-3E6
2008 Sep 01
3
Ferroxcube
Planar E cores and accessories
E18/4/10
Core halves for use in combination with a plate (PLT)
A
L
measured in combination with a plate (PLT), clamping force for A
L
measurements, 20
±10
N, using a PCB coil
containing 4 layers of 8 tracks each, total height 1.6 mm.
GRADE
3C90
A
L
()
(nH)
100
±3%
160
±3%
250
±5%
315
±8%
3680
±25%
3C92
3C93
3C94
2690
±25%
3100
±25%
100
±3%
160
±3%
250
±5%
315
±8%
3680
±25%
3C95
3C96
3F3
4340
±25%
3250
±25%
100
±3%
160
±3%
250
±5%
315
±8%
3100
±25%
3F35
3F4
2500
±25%
100
±3%
160
±3%
250
±5%
315
±8%
1800
±25%
3F45
3E6
1800
±25%
15500
+40/-30%
µ
e
≈
41
≈
65
≈
102
≈
129
≈
1500
≈
1100
≈
1270
≈41
≈65
≈102
≈129
≈
1500
≈
1780
≈
1320
≈41
≈65
≈102
≈129
≈
1270
≈
1020
≈41
≈65
≈102
≈129
≈
740
≈
740
≈
6400
AIR GAP
(µm)
≈
870
≈
470
≈
240
≈
170
≈
0
≈
0
≈
0
≈870
≈470
≈240
≈170
≈
0
≈
0
≈
0
≈870
≈470
≈240
≈170
≈
0
≈
0
≈870
≈470
≈240
≈170
≈
0
≈
0
≈
0
TYPE NUMBER
E18/4/10-3C90-A100-P
E18/4/10-3C90-A160-P
E18/4/10-3C90-A250-P
E18/4/10-3C90-A315-P
E18/4/10-3C90
E18/4/10-3C92
E18/4/10-3C93
E18/4/10-3C94-A100-P
E18/4/10-3C94-A160-P
E18/4/10-3C94-A250-P
E18/4/10-C94-A315-P
E18/4/10-3C94
E18/4/10-3C95
E18/4/10-3C96
E18/4/10-3F3-A100-P
E18/4/10-3F3-A160-P
E18/4/10-3F3-A250-P
E18/4/10-3F3-A315-P
E18/4/10-3F3
E18/4/10-3F35
E18/4/10-3F4-A100-P
E18/4/10-3F4-A160-P
E18/4/10-3F4-A250-P
E18/4/10-3F4-A315-P
E18/4/10-3F4
E18/4/10-3F45
E18/4/10-3E6
2008 Sep 01
4
Ferroxcube
Planar E cores and accessories
Properties of core sets under power conditions
B (mT) at
GRADE
H = 250 A/m;
f = 10 kHz;
T = 100
°C
≥320
≥320
≥370
≥370
≥320
≥320
≥320
≥320
≥320
≥320
≥320
≥320
≥300
≥300
≥300
≥300
f = 100 kHz;
ˆ
B = 100 mT;
T = 100
°C
≤
0.105
≤
0.095
≤
0.085
≤
0.075
≤
0.085
(1)
≤
0.075
(1)
≤
0.085
≤
0.075
−
−
≤
0.065
≤
0.06
≤
0.11
≤
0.09
−
−
CORE LOSS (W) at
f = 100 kHz;
ˆ
B = 200 mT;
T = 25
°C
−
−
−
−
−
−
−
−
≤
0.53
≤
0.44
−
−
−
−
−
−
f = 100 kHz;
ˆ
B = 200 mT;
T = 100
°C
−
−
≤
0.6
≤
0.5
≤
0.6
(1)
≤
0.5
(1)
≤
0.6
≤
0.5
≤
0.5
≤
0.42
≤
0.45
≤
0.4
−
−
−
−
f = 400 kHz;
ˆ
B = 50 mT;
T = 100
°C
−
−
−
−
−
−
−
−
−
−
≤
0.18
≤
0.15
≤
0.19
≤
0.16
≤
0.09
≤
0.08
E18/4/10
f = 500 kHz;
ˆ
B = 50 mT;
T = 100
°C
−
−
−
−
−
−
−
−
−
−
≤
0.35
≤
0.3
−
−
≤
0.13
≤
0.12
E+E18-3C90
E+PLT18-3C90
E+E18-3C92
E+PLT18-3C92
E+E18-3C93
E+PLT18-3C93
E+E18-3C94
E+PLT18-3C94
E+E18-3C95
E+PLT18-3C95
E+E18-3C96
E+PLT18-3C96
E+E18-3F3
E+PLT18-3F3
E+E18-3F35
E+PLT18-3F35
Measured at 140
°C.
1.
Properties of core sets under power conditions (continued)
B (mT) at
GRADE
H = 250 A/m;
f = 10 kHz;
T = 100
°C
≥300
≥300
≥250
≥250
≥250
≥250
f = 500 kHz;
ˆ
B = 100 mT;
T = 100
°C
≤
1.0
≤
0.9
−
−
−
−
CORE LOSS (W) at
f = 1 MHz;
ˆ
B = 30 mT;
T = 100
°C
−
−
≤
0.3
≤
0.24
≤
0.22
≤
0.18
f = 1 MHz;
ˆ
B = 50 mT;
T = 100
°C
−
−
−
−
≤
0.82
≤
0.67
f = 3 MHz;
ˆ
B = 10 mT;
T = 100
°C
−
−
≤
0.45
≤
0.39
≤
0.38
≤
0.32
E+E18-3F35
E+PLT18-3F35
E+E18-3F4
E+PLT18-3F4
E+E18-3F45
E+PLT18-3F45
2008 Sep 01
5
