B66317-G-X127 [EPCOS]
E 25/13/7 (EF 25) Core; Ë 25/13/7 （ EF 25 ）核心
| 型号： | B66317-G-X127 |
| 厂家： | 
EPCOS |
| 描述： | E 25/13/7 (EF 25) Core |
| 文件： | 总6页 (文件大小：113K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
E 25/13/7 (EF 25)
Core
B66317
ꢀ In accordance with IEC 61246
ꢀ E cores are supplied as single units
Magnetic characteristics (per set)
–1
Σl/A = 1,1 mm
l
= 57,5 mm
= 52,5 mm
= 51,5 mm
e
2
2
A
A
V
e
min
e
3
= 3 020 mm
Approx. weight 16 g/set
Ungapped
Material
A value
µ
A
P
V
Ordering code
L
e
L1min
nH
nH
W/set
N30
N27
2900 + 30/– 20 % 2530
1750 + 30/– 20 % 1520 1440 < 0,59
(200 mT, 25 kHz, 100 °C)
1850 + 30/– 20 % 1620 1440 < 1,60
(200 mT, 100 kHz, 100 °C)
B66317-G-X130
B66317-G-X127
N87
B66317-G-X187
Gapped
Material
g
A value
approx.
nH
µ
Ordering code
** = 27 (N27)
= 87 (N87)
L
e
mm
N27,
N87
0,10 0,02
0,16 0,02
0,25 0,02
0,50 0,05
1,00 0,05
489
347
250
151
91
425
302
218
131
79
B66317-G100-X1**
B66317-G160-X1**
B66317-G250-X1**
B66317-G500-X1**
B66317-G1000-X1**
The A value in the table applies to a core set comprising one ungapped core (dimension g = 0) and
L
one gapped core (dimension g > 0).
410 08/01
E 25/13/7 (EF 25)
Core
B66317
Calculation factors (for formulas, see “E cores: general information”, page 382)
Material
Relationship between
air gap – A value
Calculation of saturation current
L
K1 (25 °C) K2 (25 °C) K3 (25 °C) K4 (25 °C) K3 (100 °C) K4 (100 °C)
N27
N87
90
90
– 0,731
– 0,731
139
139
– 0,847
– 0,796
129
125
– 0,865
– 0,873
Validity range:
K1, K2: 0,10 mm < s < 2,00 mm
K3, K4: 60 nH < A < 570 nH
L
411 08/01
E 25/13/7 (EF 25)
Accessories
B66208
Coil former (magnetic axis horizontal or vertical)
Material:
GFR polyterephthalate; UL 94 V-0, insulation class to IEC 60085:
B66208-A, -J: F max. operating temperature 155 °C, color code black
B66208-W: H max. operating temperature 180 °C, color code black
Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 °C, 2 s
Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 °C, 3,5 s
Winding:
Squared pins
Yoke
see “Processing Notes”, page 159
Material: Stainless spring steel (0,25 mm)
Coil former
Ordering code
Figure
Sections
A
mm
l
A value Pins
R
N
N
2
mm
µΩ
28
28
1
2
1
1
61
50
10
10
B66208-A1110-T1
61
50
B66208-J1110-T1
B66208-W1010-T1
Yoke (ordering code per piece, 2 are required)
B66208-A2010
Figure 1, horizontal version (type -A)
27,5_0,3
17,3 _0,25
17 _0,3
0,7 0,1
7,7+0,2
0,7 0,1
0,7
9,4 _0,25
ø1,6+0,1
6 .
1 0
Hole arrangement
View in
mounting direction
1
5
20,32
FEK0352-I
412 08/01
E 25/13/7 (EF 25)
Accessories
B66208
Figure 2, vertical version (type -W and -J)
27,5_0,3
17,3 _0,3
17,3 _0,3
9,6 _0,2
9,6 _0,2
0,7
ø 1,6+0,1
7,7+0,2
1 0
6 .
Hole arrangement
View in mounting direction
1
5
12,7
FEK0323-5
Yoke
3,5+0,1
_0,2
5,75 0,2
FEK0115-2
413 08/01
E 25/13/7 (EF 25)
Accessories
B66208
Coil former for SMPS transformers with line isolation
Material:
GFR polyterephthalate (UL 94 V-0, insulation class to IEC 60085:
max. operating temperature 155 °C), color code black
F
Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 °C, 2 s
Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 °C, 3,5 s
Winding:
see “Processing Notes”, page 159
Squared pins
Yoke
Material:
Nickel silver (0,3 mm) with ground terminal
Coil former
Sections
Ordering code
A
mm
l
A value
R
µΩ
Pins
9
N
N
2
mm
1
56,9
69,2
41,8
B66208-K1009-T1
B66208-A2003
Yoke (ordering code per piece)
Coil former
Yoke
17,3_0,2
10_0,15
17,3_0,2
10_0,15
7,7
7,7
12,7
15,1
0,45
20,32
24_0,2
18,8_0,4
ø1,3+0,15
6
9
Hole arrangement
View in mounting direction
5
1
20,32
FEK0397-I
414 08/01
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