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Transformer Lamination Catalog
Cut Core Design Manual
Tape Wound Core Catalog

Transformer Lamination Catalog

European Style EI

European Style EI
Part No.
A
B
C
D
E
F
G
H/N (1)
Core Area
Path length
Window area
Weight sq. stk.
US Part No.
-
mm
mm
mm
mm
mm
mm
mm
-
cm2
cm
cm2
Kg (2)
-
267
7.94
12.7
1.59
4.76
1.59
3.18
3.18
-
0.101
2.08
0.151
0.002
-
218
15.8
19.1
2.38
11.1
2.38
4.76
4.76
-
0.227
4.13
0.528
0.068
187EI
218SL
14.9
19.1
2.38
10.1
2.38
4.76
4.76
-
0.227
3.93
0.482
0.007
-
250
28.6
34.9
4.76
19.1
4.76
7.94
9.53
H
0.907
7.30
1.50
0.055
375EI
39
34.9
41.3
6.35
22.2
6.35
9.53
9.53
-
0.907
8.92
2.12
0.081
-
EI30
25.0
30.0
5.00
15.0
5.00
5.00
10.0
-
1.00
6.00
0.75
0.050
-
21EI
33.3
41.3
6.35
20.6
6.35
7.95
12.70
H
1.61
8.26
1.64
0.107
21EI
38
32.0
38.4
6.4
19.2
6.4
6.4
12.80
-
1.64
7.68
1.23
0.110
-
18
35.7
42.9
7.14
21.4
7.14
7.14
14.21
H
2.04
8.57
1.53
0.145
-
35
47.6
57.2
9.53
28.6
9.53
9.53
19.05
H
3.63
11.4
2.72
0.340
75EI
(1) Available with holes (H) or notches (N); contact Sales for sizes and location
(2) For 'A' grade; 'B' grade = 0.94 x 'A' weight
Gauges available:

'A' grade (80% Ni): 0.15, 0.2, 0.33 'B' grade (49% Ni): 0.2, 0.34