UF15.7 [YUXIANG]
UF cores and UI cores; 用友核心和UI核心
| 型号： | UF15.7 |
| 厂家： | 
YUXIANG MAGNETC MATERIALS IND. CO., LTD. |
| 描述： | UF cores and UI cores |
| 文件： | 总2页 (文件大小：45K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
UF & UI Core
Features of UF cores and UI cores
UF-core and UI-core, these Soft ferrite shapes are available in lamination materials (for stacking), powdered
material (typically powdered iron), and ferrite materials. In laminated form, features of UF cores and UI cores are
similar to that of the "C" core, and can take full advantage of grain orientation while their laminated counterparts
only take about 60% to 80%. UF cores and UI cores possess excellent heat dissipation, and there is lots of room
available for lead wires, but self-shielding is poor. UF core, UI core and other “U” cores have two core legs. Coils
can be placed over either or both legs. Using coils on separate legs is great for high voltage isolation between coils.
The mean turn length of two coils on separate legs (sharing the whole winding window) is smaller than 1 coil on one
leg (occupying the whole winding window), hence the two coils connected in series has less winding resistance.
Application of UF core and UI core:
The U series core features wide distributing permeability and can be chosen and matched according to filter's
frequency. As a power ferrite, it is a good choice using in fields of ignitor and energy-saving products. UF core and
UI core may be used as “split-core” current transformers, output transformer core, line transformer core, and
Inverter core. UF core is mainly application with line filters in color TV sets; UI core: Line filters, Inverter
transformers
Dimensions (mm)
Type
A
B
C
Dmin
3.8
4.0
4.1
4.1
3.9
5.2
5.2
4.1
5.4
6.3
6.7
E
2.3
F
I
UF8.5
UF8.6
8.5±0.2
8.6±0.2
9.8±0.3
9.8±0.3
10.1±0.3
10.5±0.3
10.5±0.4
12.0±0.3
15.0±0.3
15.7±0.6
16.0 +0.4
6.4±0.2
6.45±0.2
7.1±0.2
7.1±0.2
7.5±0.25
7.8±0.4
7.8±0.3
9.2±0.3
11.4±0.3
9.7±0.25
10.0±0.3
3.45±0.15
3.6±0.2
2.9±0.2
2.7±0.2
2.9±0.2
5.0±0.2
5.0±0.2
3.95±0.15
6.4±0.2
6.0±0.3
6.0±0.2
4.15±0.15
4.2±0.2
4.3±0.2
4.25±0.2
4.5±0.25
5.3±0.3
5.25±0.25
5.05±0.15
6.5±0.2
6.0±0.3
6.0±0.3
2.2±0.15
2.9±0.2
2.8
UF9.8
UF9.8A
UF10.1
UF10.5
UF10.5A
UF12
2.95±0.15
2.4±0.2
2.5
3.85
UF15A
UF15.7
UF16
4.7
4.5±0.2
4.6±0.2
-0.2
16.0±0.4
19.7±0.5
19.7±0.3
25.5 +0.4
-0.3
UF16A
UF19
10.0±0.2
18.25±0.25
17.7±0.2
16.25 +0.25
-0
6.0±0.2
5.9±0.2
6.0±0.2
6.25 +0.1
-0.15
6.7
7.4
7.4
4.57
6.0
6.0±0.15
12.2±0.2
11.7±0.2
10.0 +0.3
-0
UF20
6.0±0.2
6.25 +0.1
-0.05
UI25.4
UF30
12.4
17.0
17.3
6.45
6.2±0.3
6.25
30.0±0.6
12.1±0.3
3.2±0.2
6.1±0.3
6.2 +0.25
-0
UF30A
30.0±0.5
33.0±0.5
12.7±0.15
13.8±0.15
6.25±0.15
7.25 +0.2
-0.15
6.2 +0.25
-0
UF33
18.0
7.3
6.4 +0.3
-0.2
UI17
UI25
16.3±0.3
25.0±0.5
8.7±0.3
5.0±0.2
6.2±0.2
10.6
12.7
2.7±0.2
6.2±0.3
2.8±0.2
6.0±0.3
16.0±0.2
10.0±0.3
s
Core parameter
Al(nH/N²)
F5(±25%)
675
Type
weight (g/pr.)
C1
Ae
Ie
Ve
F7(±25%)
F10(±25%)
(mm-1)
4.05
4.1
(mm2)
7.76
7.8
(mm)
31.4
32.2
34.33
34.2
35.7
39.9
40.1
41.3
52.3
50
(mm3)
243
UF8.5
UF8.6
UF9.8
UF9.8A
UF10.1
UF10.5
UF10.5A
UF12
1.2
1.3
1.4
1.3
1.5
2.8
2.5
3.2
8.0
6.5
7.4
6.9
15
830
1215
1500
1800
1095
1100
2200
1685
251.9
275.9
262
960
4.3
8.1
1300
755
1500
885
4.46
4.15
3.25
3.2
7.60
8.6
307
1005
1800
1160
1420
2380
2600
3300
2075
2080
2750
2600
4300
2800
3000
1500
2500
12.7
12.5
15.6
30.5
24.8
27.2
25.9
35.3
36.0
38.9
38.3
39.1
53.7
14.0
38.9
506.1
501
1500
930
2.65
1.71
2.01
1.97
1.97
2.29
2.25
1.65
2.04
2.06
1.59
2.58
1.68
645
1200
1840
2600
2600
1610
1590
2100
UF15A
UF15.7
UF16
1600
1240
1412.6
1320
2860
2916
2500
2985.9
3140
4600
505.4
2551
3250
4000
2700
51.9
51.0
81.0
81.0
64.3
77.9
80.4
85.7
36.1
65.5
UF16A
UF19
UF20
15
3800
6150
UI25.4
UF30
19
15.3
17
3080
UF30A
UF33
23
UI17
2.6
12.8
UI25
AL:1kHz,0.5mA,100Ts
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