ET SERIES
Introduce of ET core
Ferrite cores consisted of stacks of laminations; patterns cut or stamped out of thin sheets of electrical steels. Most
applications required a lamination pattern (or patterns) that would form a closed magnetic loop when assembled
together. The shape of ET core is closed magnetic loop, which unlike other E shape cores. When apply with
electronic parts, the ET core possess high efficiency, low leakage inductance.
Application of ET core
Mn-Zn high permeability ET cores can be widely used as Balance cores, cable cores, Pulse Transformer core to
application in Electronic parts for Green Illumination Project and Common-Mode Choke, etc.
Type
ET20
ET24
ET28
ET35
Dimensions(mm)
A
20.1±0.5
24.2±0.5
28.7±0.5
53.3±0.6
B
20.1±0.5
24.2±0.5
28.7±0.5
35.3±0.6
C
4.0±0.2
4.0±0.2
5.0±0.3
7.5±0.3
D
4.4±0.2
4.0±0.3
5.0±0.3
7.5±0.3
E
2.0±0.2
2.4±0.2
2.9±0.2
4.0±0.2
F
2.0±0.2
2.0±0.2
2.9±0.2
4.0±0.2
together. The shape of ET core is closed magnetic loop, which unlike other E shape cores. When apply with
Core parameter
Type
ET20
ET24
ET28
ET35
Ae
(mm2)
18
18
27
56
Ie
(mm)
50.6
61
71.4
86.7
weight (g/pr.)
4.6
5.6
10.5
26
Al(nH/N²)±25%
Fs7 +40%
-25%
3100
2600
3550
6000
Fs10(±25%)
4300
3600
4800
8400
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