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开关电源用环形铁芯 |
 性能特点: 高频损耗低、导磁率高、小型节能、稳定性好。
应用领域: 可用于开关电源、直流变换器、逆变电源及不间断电源用功率变压器、控制变 压器、磁放大器、脉冲变压器、扼流器、滤波电感、谐振电感、共模电感以及尖峰抑制器。
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| 表27 铁芯的规格尺寸 |
| 型号 |
尺寸(mm) |
平均磁路 长度L(cm) |
有效截面积 Ae(约)(cm2) |
重量(约) W(克) |
|
d1 |
d2 |
h |
| AC-OD-KG |
8.5 |
12 |
4.5 |
3.22 |
0.05 |
1.50 |
| AC-OD-KG |
10 |
14 |
6.5 |
3.77 |
0.09 |
2.30 |
| AC-OD-KG |
14 |
19 |
6.5 |
5.18 |
0.11 |
3.98 |
| AC-OD-KG |
17 |
25 |
6. |
6.59 |
0.17 |
8.10 |
| AC-OD-KG |
25 |
32 |
6.5 |
8.95 |
0.15 |
9.60 |
| AC-OD-KG |
14 |
19 |
10 |
5.18 |
0.16 |
6.00 |
| AC-OD-KG |
12.5 |
20 |
10 |
5.10 |
0.24 |
9.10 |
| AC-OD-KG |
13.5 |
21.5 |
10 |
5.45 |
0.27 |
10.50 |
| AC-OD-KG |
18 |
28 |
10 |
7.22 |
0.00 |
17.00 |
| AC-OD-KG |
17 |
25 |
10 |
6.59 |
0.26 |
12.50 |
| AC-OD-KG |
20 |
30 |
10 |
7.85 |
0.33 |
18.50 |
| AC-OD-KG |
25 |
32 |
10 |
8.95 |
0.23 |
14.80 |
| AC-OD-KG |
20 |
40 |
10 |
9.42 |
0.65 |
44.39 |
| AC-OD-KG |
40 |
50 |
10 |
14.13 |
0.33 |
33.30 |
| AC-OD-KG |
15 |
22 |
15 |
5.81 |
0.32 |
13.50 |
| AC-OD-KG |
18 |
28 |
15 |
7.22 |
0.49 |
25.60 |
| AC-OD-KG |
20 |
30 |
15 |
7.85 |
0.49 |
27.80 |
| AC-OD-KG |
23 |
33 |
15 |
8.79 |
0.49 |
31.10 |
| AC-OD-KG |
30 |
50 |
15 |
12.56 |
0.98 |
88.80 |
| AC-OD-KG |
14 |
24 |
20 |
5.97 |
0.65 |
28.00 |
| AC-OD-KG |
29 |
45 |
20 |
11.62 |
1.04 |
90.00 |
| AC-OD-KG |
23 |
33 |
25 |
8.79 |
0.82 |
51.90 |
| AC-OD-KG |
29 |
46 |
25 |
11.77 |
1.38 |
118.60 | |
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| 表28 开关电源用铁芯性能 |
| 材 料 |
Bs(T) |
低 |
中 |
高 |
| Br/Bs |
P(W/Kg) |
Br/Bs |
P(W/Kg) |
Br/Bs |
P(W/Kg) |
| 铁基非晶 |
1.56 |
≤0.2 |
P0.35/10k≤18 |
≈0.6 |
P0.35/10k≤20 |
≤0.9 |
P0.35/10k≤30 |
| 钴基非晶 |
0.65 |
≤0.2 |
P0.3/200k≤400 |
≈0.6 |
P0.3/200k≤450 |
≤0.9 |
P0.3/200k≤600 |
| 超微晶(纳米晶) |
1.25 |
≤0.2 |
P0.3/100k≤120 |
≈0.6 |
P0.3/100k≤150 |
≤0.85 |
P0.3/100k≤200 | |
| 表29 各种软磁材料高频损耗比较 |
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| 宽恒导电感用非晶环形铁芯 |
性能特点: 1、非常低的高频铁损; 2、比铁氧体和磁粉芯更小更轻; 3、由于不存在气隙,铁芯的漏感很小; 4、温度变化,铁芯的电感值保卫者持稳定。 应用领域: 1、适用于开关电源输出电流波型平滑电路; 2、适用直流-直流变换器; 3、适用于滤波谐振抑制器; 4、适用于差模电感; 5、适用于视频、声频噪声抑制器。 |
| 表30 铁芯规格及性能 |
|
型 号 |
铁芯规格(mm) |
护盒规格(mm) |
平均磁路 长 度 L(mm) |
绕线 匝数 N |
额定直流 偏 流 IDC(A) |
IDC=0时 最小电感 LO(µH) |
额定偏流时 最小电感 LA(µH) |
单 匝 电 感 AL(µH) |
安匝 AT |
|
内径 d1 |
外径 d2 |
高h |
内径D1 |
外径D2 |
高H |
| AC-OD-DG |
8 |
12 |
5 |
14 |
6.5 |
7.1 |
31.4 |
38 |
1 |
274 |
230 |
0.19 |
38 |
| AC-OD-DG |
9 |
15 |
5 |
17.0 |
7.6 |
7.1 |
37.7 |
20 |
1 |
160 |
150 |
- |
- |
| AC-OD-DG |
12 |
20 |
5 |
22 |
10.6 |
7.1 |
50.3 |
- |
- |
- |
- |
0.085 |
225 |
| AC-OD-DG |
10 |
16 |
8 |
18.0 |
8.6 |
10.5 |
40.8 |
30 |
0.5 |
550 |
500 |
0.85 |
16 |
| AC-OD-DG |
12 |
20 |
8 |
22 |
10.6 |
10.5 |
50.3 |
- |
- |
- |
- |
0.12 |
225 |
| AC-OD-DG |
11 |
18 |
8 |
20.3 |
9.3 |
9.6 |
45.5 |
24 |
1 |
360 |
350 |
0.7 |
24 |
| AC-OD-DG |
11 |
18 |
8 |
20.3 |
9.3 |
9.6 |
45.5 |
21 |
1 |
320 |
250 |
- |
- |
| AC-OD-DG |
11 |
18 |
10 |
20.0 |
9.3 |
11.8 |
45.5 |
20 |
1 |
160 |
150 |
- |
- |
| AC-OD-DG |
11 |
18 |
10 |
20.5 |
9.3 |
12.0 |
45.5 |
27 |
1 |
400 |
350 |
- |
- |
| AC-OD-DG |
12 |
20 |
10 |
22.2 |
9.9 |
12.0 |
50.2 |
28 |
1.8 |
550 |
300 |
0.84 |
32 |
| AC-OD-DG |
16 |
26 |
10 |
28.2 |
13.9 |
12.6 |
65.9 |
- |
- |
- |
- |
0.132 |
330 |
| AC-OD-DG |
20 |
32 |
10 |
35 |
17 |
12.6 |
81.6 |
- |
- |
- |
- |
0.12 |
420 |
| AC-OD-DG |
25 |
40 |
12.5 |
43 |
22 |
15.1 |
102.1 |
- |
- |
- |
- |
0.15 |
450 |
| AC-OD-DG |
25 |
40 |
15 |
43 |
22 |
17.6 |
102.1 |
- |
- |
- |
- |
0.2 |
500 |
| AC-OD-DG |
40 |
59 |
20 |
63 |
36.5 |
23.5 |
155.4 |
- |
- |
- |
- |
0.6 |
100 |
| AC-OD-DG |
32 |
50 |
15 |
54 |
28 |
28.5 |
128.7 |
- |
- |
- |
- |
0.126 |
600 |
| AC-OD-DG |
40 |
64 |
15 |
68 |
36 |
28.5 |
163.3 |
- |
- |
- |
- |
0.16 |
900 |
| AC-OD-DG |
50 |
80 |
20 |
84 |
44 |
23.5 |
204.1 |
- |
- |
- |
- |
0.3 |
800 |
| AC-OD-DG |
56 |
92 |
25 |
96 |
52 |
29 |
232.4 |
- |
- |
- |
- |
0.25 |
1000 | | |
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