FERROXCUBE
DATA SHEET
E42/17/12
E cores and accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
E cores and accessories
CORE SETS
Effective core parameters
handbook, halfpage
E42/17/12
40.6
±0.65
28.6 min.
12.45
±0.25
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
0.517
11500
77.0
149
142
≈
30
UNIT
mm
−1
mm
3
mm
mm
2
mm
2
g
10.4
min 16.6
±0.2
12.4
±0.3
CBW045
Dimensions in mm.
Fig.1 E42/17/12 core half.
Core halves
A
L
measured in combination with a non-gapped core half, clamping force for A
L
measurements 40
±20
N, unless stated
otherwise.
GRADE
3C81
A
L
(nH)
100
±5%
(1)
160
±5%
(1)
250
±5%
(1)
315
±5%
400
±8%
630
±15%
5370
±25%
3C90
100
±5%
(1)
160
±5%
(1)
250
±5%
(1)
315
±5%
400
±8%
630
±15%
4100
±25%
3C91
3C92
3C94
3C95
2008 Sep 01
5370
±25%
3300
±25%
4100
±25%
5370
±25%
µ
e
≈
41
≈
66
≈
103
≈
130
≈
164
≈
259
≈
2210
≈
41
≈
66
≈
103
≈
130
≈
164
≈
259
≈
1670
≈
2210
≈
1360
≈
1670
≈
2210
62
TOTAL AIR GAP
(µm)
≈
3000
≈
1620
≈
920
≈
690
≈
520
≈
300
≈
0
≈
3000
≈
1620
≈
920
≈
690
≈
520
≈
300
≈
0
≈
0
≈
0
≈
0
≈
0
TYPE NUMBER
E41/17/12-3C81-E100
E41/17/12-3C81-E160
E41/17/12-3C81-E250
E41/17/12-3C81-A315
E41/17/12-3C81-A400
E41/17/12-3C81-A630
E41/17/12-3C81
E41/17/12-3C90-E100
E41/17/12-3C90-E160
E41/17/12-3C90-E250
E41/17/12-3C90-A315
E41/17/12-3C90-A400
E41/17/12-3C90-A630
E41/17/12-3C90
E41/17/12-3C91
E41/17/12-3C92
E41/17/12-3C94
E41/17/12-3C95
Ferroxcube
E cores and accessories
E42/17/12
GRADE
3F3
A
L
(nH)
100
±5%
(1)
160
±5%
(1)
250
±5%
(1)
315
±5%
400
±8%
630
±15%
3575
±25%
µ
e
≈
41
≈
66
≈
103
≈
130
≈
164
≈
259
≈
1470
TOTAL AIR GAP
(µm)
≈
3000
≈
1620
≈
920
≈
690
≈
520
≈
300
≈
0
TYPE NUMBER
E41/17/12-3F3-E100
E41/17/12-3F3-E160
E41/17/12-3F3-E250
E41/17/12-3F3-A315
E41/17/12-3F3-A400
E41/17/12-3F3-A630
E41/17/12-3F3
Note
1. Measured in combination with an equal gapped core half, clamping force for A
L
measurements, 40
±20
N.
Properties of core sets under power conditions
B (mT) at
GRADE
H = 250 A/m;
f = 25 kHz;
T = 100
°C
≥320
≥320
≥320
≥370
≥320
≥320
≥320
f = 25 kHz;
ˆ
= 200 mT;
B
T = 100
°C
≤
2.4
≤
1.3
−
−
−
−
−
f = 100 kHz;
ˆ
B = 100 mT;
T = 100
°C
−
≤
1.45
≤
0.85
(1)
≤
1.1
≤
1.1
−
≤
1.4
CORE LOSS (W) at
f = 100 kHz;
ˆ
B = 200 mT;
T = 25
°C
−
−
−
−
−
≤
7.25
−
f = 100 kHz;
ˆ
B = 200 mT;
T = 100
°C
−
−
≤
5.1
(1)
≤
6.4
≤
6.4
≤
6.9
−
f = 400 kHz;
ˆ
B = 50 mT;
T = 100
°C
−
−
−
−
−
−
≤
2.2
3C81
3C90
3C91
3C92
3C94
3C95
3F3
Note
1. Measured at 60
°C.
2008 Sep 01
63
Ferroxcube
E cores and accessories
COIL FORMERS
General data for E41/17/12 coil former without pins
PARAMETER
Coil former material
Maximum operating temperature
SPECIFICATION
E42/17/12
polyamide (PA6.6), glass reinforced, flame retardant in accordance with
“UL 94V-2”;
UL file number E41938(M)
130
°C,
“IEC 60085”,
class B
handbook, full pagewidth
20.35 max.
18.65
28.3
max.
12.8
min.
14.5
CBW046
Dimensions in mm.
Fig.2 E41/17/12 coil former.
Winding data and area product for E41/17/12 coil former without pins
NUMBER OF
SECTIONS
1
MINIMUM
WINDING
AREA
(mm
2
)
120
NOMINAL
WINDING
WIDTH
(mm)
18.6
AVERAGE
LENGTH OF
TURN
(mm)
79.6
AREA
PRODUCT
Ae x Aw
(mm
4
)
17900
TYPE NUMBER
CP-E41/17/12-1S
2008 Sep 01
64
Ferroxcube
E cores and accessories
General data for 12-pins E41/17/12 coil former
PARAMETER
Coil former material
Pin material
Maximum operating temperature
Resistance to soldering heat
Solderability
SPECIFICATION
E42/17/12
polyamid (PA66), glass reinforced, flame retardant in accordance with
“UL 94HB”;
UL file number E41938
copper-tin alloy (CuSn), 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
28.1 max.
13.1 max.
20.7
18.7
28.7
14.7
4.3
5.1
(1)
0.25
0.64
6.35
45.21
24.13
29.2
2.4 min.
CBW047
(1)
one place only
Dimensions in mm.
Fig.3 E41/17/12 coil former; 12-pins.
Winding data and area product for 12-pins E41/17/12 coil former
NUMBER OF
SECTIONS
1
MINIMUM
WINDING
AREA
(mm
2
)
114
NOMINAL
WINDING
WIDTH
(mm)
18
AVERAGE
LENGTH OF
TURN
(mm)
81.2
AREA
PRODUCT
Ae x Aw
(mm
4
)
17000
TYPE NUMBER
CPH-E41/12-1S-12PD-Z
2008 Sep 01
65
京公网安备 11010802033920号
EEWORLD
