Shape EI ferrite coresApplications: transformers and chokes, etc. |
 |
Type |
EI22 |
EI25 |
EI28 |
EI30 |
EI35 |
EI40 |
EI50 |
|||
| Size(mm) | A |
19.0 ± 0.3 |
22.0 ± 0.3 |
25.4 ±0.6 |
28.0 ±0.5 |
30.0 ±0.6 |
35.0 ±0.6 |
40.0 ±0.7 |
50.0 ±0.7 |
|
B |
14.2 min |
12.8 min |
18.0 min |
18.6 min |
19.5 min |
24.5 min |
26.8 min |
34 min |
||
C |
6.0 +0-0.5 |
7.1 +0-0.6 |
7.5 +0-0.5 |
11.0 +0-0.6 |
10.3 +0-0.6 |
12.0 +0-0.7 |
15.0 +0-0.8 |
|||
D |
6.0 +0-0.5 |
7.0 +0-0.6 |
11.0 +0-0.6 |
11.0 +0-0.6 |
10.3 +0-0.6 |
12.0 +0-0.7 |
15.0 +0-0.8 |
|||
E |
11.0 +0.6-0 |
10.3 +0.5-0 |
10.3 +0.5-0 |
12.0 +0.5-0 |
16.0 +10.5-0 |
18.0 +0.4-0 |
21.0 +0.7-0 |
24.5 +0.7-0 |
||
F |
13.6 ±0.4 |
14.3 +0.5-0 |
17 +0.5-0 |
16.5 +0.5-0 |
21.0 +0.5-0 |
24.0 +0.4-0 |
27.0 +0.7-0 |
33 +0.7-0 |
||
G |
2.4 ±0.2 |
4.5 ± 0.2 |
3.5 ± 0.3 |
3.5 ± 0.2 |
5.5 ± 0.3 |
4.7 ± 0.2 |
6.5 ± 0.3 |
9.0 ±0.3 |
||
Σ1/A(a/m^-1) |
17.4 |
9.58 |
10.6 |
5.69 |
5.24 |
6.50 |
5.65 |
4.22 |
||
Le(cm) |
3.95 |
3.96 |
4.94 |
4.84 |
5.81 |
6.79 |
7.80 |
9.52 |
||
Ae(cm^2) |
0.23 |
0.41 |
0.47 |
0.85 |
1.11 |
1.04 |
1.38 |
2.26 |
||
W(g) |
4.4 |
9.8 |
11.5 |
22 |
33 |
36 |
56 |
115 |
||
| At | R2KD |
1300 |
2350 |
2400 |
4300 |
4600 |
215 ±8% |
5500 |
6400 |
|
R2KBD |
1300 |
2350 |
2000 |
4300 |
4750 |
3950 |
5000 |
6300 |
||
R5K |
2500 |
4550 |
4150 |
8200 |
8900 |
7200 |
8450 |
11300 |
||
R7K |
3900 |
7150 |
6350 |
12500 |
||||||
| W | 16KHz 150mT 100ºC |
R2KD |
≤0.053 |
≤0.12 |
≤0.18 |
≤0.26 |
≤0.43 |
≤0.44 |
≤0.67 |
≤1.38 |
| 25KHz 200mT 100ºC |
R2KBD |
≤0.11 |
≤0.25 |
≤0.29 |
≤0.55 |
≤0.83 |
≤0.90 |
≤1.40 |
≤2.88 |
|