UU, URS Cores
Line filter transformers
Common mode choke
TV flyback transformers
Major materials:
E20, E24, E28, E50,E70

Ordering Code
Material
Core Type
Dimension(A)
Dimension(C)
E28
UU
10.5
5
Dimensions(m/m):
CORES
DIMENSIONS (UNIT:mm)
FIG
A
B
C
D
F
G
H
I
UU 9.8/2.7
9.8±0.3
7.1±0.3
2.7±0.3
4.2±0.2
6.2±0.20
-
-
-
1
UU 10.5/5
10.5±0.3
8.0±0.3
5.0±0.3
5.35MIN
5.3±0.30
-
-
-
1
UU 15.7/6
15.7±0.4
9.9±0.3
6.0±0.3
6.5MIN
6.1±0.25
-
-
-
1
UI 25/6
25.0±0.6
16.5±0.4
6.0±0.2
13.0±0.4
10.5±0.3
-
-
-
1
URS 18/11
18.0±0.4
15.4±0.4
-
7.6±0.3
10.95±0.1
7.6±0.3
10.8±0.3
3.4±0.2
2
Characteristics:
CORES
EFFECTIVCE PARAMETERS
AL (nH/N2)±25%
Le(cm)
Ae(cm2)
Ve(cm2)
E20
E28
E50
E70
UU 9.8/2.7
3.510
0.100
0.351
340
570
1120
-
UU 10.5/5
4.00
0.130
0.520
570
800
504
1500
UU 15.7/6
5.00
0.250
1.280
720
1400
2100
3000
UI 25/6
6.43
0.389
2.503
-
1150
-
-
URS 18/11
4.57
0.490
-
-
1800
-
-

2F., No.58, Yanshou St., Taoyuan City, Taoyuan County 330, Taiwan (R.O.C.)
TEL : 886-3 3785338
FAX : 886-3 3785219
Copyright 2002 E Core Corporation.