FERROXCUBE
DATA SHEET
E25/10/6
E cores and accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
E cores and accessories
CORE SETS
Effective core parameters
handbook, halfpage
E25/10/6
25.4
±0.6
18.8 min.
6.35
±0.25
6.4
min. 9.65
±0.2
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
1.24
1930
49.0
39.5
37.0
≈
4.8
UNIT
mm
−1
mm
3
mm
mm
2
mm
2
g
6.35
±0.25
CBW023
Dimensions in mm.
Fig.1 E25/10/6 core half.
Core halves
A
L
measured in combination with a non-gapped core half, clamping force for A
L
measurements, 20
±10
N,
unless otherwise stated.
GRADE
3C81
A
L
(nH)
63
±5%
(1)
100
±8%
160
±8%
250
±15%
315
±15%
2340
±25%
3C90
63
±5%
(1)
100
±8%
160
±8%
250
±15%
315
±15%
1600
±25%
3C91
3C92
3C94
3C96
2008 Sep 01
2340
±25%
1320
±25%
1600
±25%
1470
±25%
µ
e
≈
62
≈
99
≈158
≈
247
≈
311
≈
2310
≈
62
≈
99
≈158
≈
247
≈
311
≈
1580
≈
2310
≈
1300
≈
1580
≈
1450
370
TOTAL AIR GAP
(µm)
≈
1240
≈
660
≈
360
≈
210
≈
160
≈
0
≈
1240
≈
660
≈
360
≈
210
≈
150
≈
0
≈
0
≈
0
≈
0
≈
0
TYPE NUMBER
E25/10/6-3C81-E63
E25/10/6-3C81-A100
E25/10/6-3C81-A160
E25/10/6-3C81-A250
E25/10/6-3C81-A315
E25/10/6-3C81
E25/10/6-3C90-E63
E25/10/6-3C90-A100
E25/10/6-3C90-A160
E25/10/6-3C90-A250
E25/10/6-3C90-A315
E25/10/6-3C90
E25/10/6-3C91
E25/10/6-3C92
E25/10/6-3C94
E25/10/6-3C96
Ferroxcube
E cores and accessories
A
L
(nH)
63
±5%
(1)
100
±8%
160
±8%
250
±15%
315
±15%
1470
±25%
3F35
Note
1150
±25%
µ
e
≈
62
≈
99
≈158
≈
247
≈
311
≈
1450
≈
1140
TOTAL AIR GAP
(µm)
≈
1240
≈
660
≈
360
≈
210
≈
150
≈
0
≈
0
E25/10/6
GRADE
3F3
TYPE NUMBER
E25/10/6-3F3-E63
E25/10/6-3F3-A100
E25/10/6-3F3-A160
E25/10/6-3F3-A250
E25/10/6-3F3-A315
E25/10/6-3F3
E25/10/6-3F35
1. Measured in combination with an equal gapped core half, clamping force for A
L
measurements, 20
±10
N.
Core halves of high permeability grades
Clamping force for A
L
measurements, 20
±10
N.
GRADE
3E27
A
L
(nH)
3200
±25%
µ
e
≈
3160
AIR GAP
(µm)
≈
0
TYPE NUMBER
E25/10/6-3E27
Properties of core sets under power conditions
B (mT) at
GRADE
H = 250 A/m;
f = 25 kHz;
T = 100
°C
≥320
≥330
≥320
≥370
≥330
≥340
≥320
≥300
f = 25 kHz;
ˆ
= 200 mT;
B
T = 100
°C
≤
0.4
≤
0.2
−
−
−
−
−
−
CORE LOSS (W) at
f = 100 kHz;
ˆ
B = 100 mT;
T = 100
°C
−
≤
0.22
≤0.13
(1)
≤
0.17
≤
0.17
≤
0.13
≤
0.22
−
f = 100 kHz;
ˆ
B = 200 mT;
T = 100
°C
−
−
≤
0.8
(1)
≤
1.0
≤
1.0
≤
0.8
−
−
f = 400 kHz;
ˆ
B = 50 mT;
T = 100
°C
−
−
−
−
−
−
≤
0.38
−
3C81
3C90
3C91
3C92
3C94
3C96
3F3
3F35
Properties of core sets under power conditions (continued)
B (mT) at
GRADE
H = 250 A/m;
f = 25 kHz;
T = 100
°C
≥340
≥320
≥300
f = 500 kHz;
ˆ
B = 50 mT;
T = 100
°C
≤
0.7
−
≤
0.26
CORE LOSS (W) at
f = 500 kHz;
ˆ
B = 100 mT;
T = 100
°C
−
−
≤
2.0
f = 1 MHz;
ˆ
B = 30 mT;
T = 100
°C
−
−
−
f = 3 MHz;
ˆ
B = 10 mT;
T = 100
°C
−
−
−
3C96
3F3
3F35
Note
1. Measured at 60
°C.
2008 Sep 01
371
Ferroxcube
E cores and accessories
COIL FORMERS
General data for E25/10/6 coil former without pins
PARAMETER
Coil former material
Maximum operating temperature
SPECIFICATION
E25/10/6
polyamide (PA6.6), glass reinforced, flame retardant in accordance with
“UL 94V-2”
105
°C,
“IEC 60085”,
class A
handbook, full pagewidth
12.25 max.
10.8
18.8
max.
6.5
min.
8
CBW024
Dimensions in mm.
Fig.2 E25/10/6 coil former.
Winding data and area product for E25/10/6 coil former without pins
NUMBER OF
SECTIONS
1
MINIMUM
WINDING
AREA
(mm
2
)
56.2
NOMINAL
WINDING
WIDTH
(mm)
10.8
AVERAGE
LENGTH OF
TURN
(mm)
49.1
AREA
PRODUCT
Ae x Aw
(mm
4
)
2220
TYPE NUMBER
CP-E25/10/6-1S
2008 Sep 01
372
Ferroxcube
E cores and accessories
General data for 10-pins E25/10/6 coil former
PARAMETER
Coil former material
Pin material
Maximum operating temperature
Resistance to soldering heat
Solderability
SPECIFICATION
E25/10/6
polyamide (PA), glass reinforced, flame retardant in accordance with
“UL 94-HB”;
UL file number E41938(M)
copper-zinc alloy (CuZn), tin (Sn) plated
130
°C,
“IEC 60085”,
class B
“IEC 60068-2-20”,
Part 2, Test Tb, method 1B: 350
°C,
3.5 s
“IEC 60068-2-20”,
Part 2, Test Ta, method 1: 235
°C,
2 s
handbook, full pagewidth
18.7 max.
8.8
6.6 min.
12.35 max.
10.1
20.4
max.
6.5
min.
8.65
4.05
min.
3.8
(1)
5.1
CBW025
1.0
0.65
15.6
21.1 max.
26.3 max.
(1)
one place only
Dimensions in mm.
Fig.3 E25/10/6 coil former; 10-pins.
Winding data and area product for 10-pins E25/10/6 coil former
NUMBER OF
SECTIONS
1
MINIMUM
WINDING
AREA
(mm
2
)
47.4
NOMINAL
WINDING
WIDTH
(mm)
10.1
AVERAGE
LENGTH OF
TURN
(mm)
53.1
AREA
PRODUCT
Ae x Aw
(mm
4
)
1870
TYPE NUMBER
CPH-E25/10/6-1S-10P-Z
2008 Sep 01
373
京公网安备 11010802033920号
EEWORLD
