Transformer Magnet Core Toroid Transformer Ferrite Core Silicon Steel Toroidal Core
- High-Efficiency Magnetic Performance: Premium silicon steel/ferrite/amorphous material delivers excellent permeability and ultra-low core losses for power conversion.
- Low-EMI Toroidal Design: Uniform magnetic flux distribution minimizes interference; compact shape reduces the footprint of transformers and inductors.
- Broad Application Versatility: Ideal for switching power supplies, audio gear, and industrial controls, compatible with high & low-frequency operations.
- Customizable Dimensions: Various sizes available to match diverse power handling requirements, ensuring thermal stability and reliable performance.
- Cost-Effective & Durable Build: Superior magnetic properties at a competitive cost; robust structure supports long-term continuous operation.
- Overview
- Recommended Products







Material |
High quality CRGO steel with low iron-loss and high permeability |
Features |
Lower core loss, no
leakage magnetic flux,
excellent DC bias
characteristics, high
magnetic permeability
range from 250 to 1200.
|
Applications |
50Hz and 400Hz transformers.current transformers.chokes and other magnetic
components of
electronic equipments.
|
Manufacturing Process





Model |
Core Size (MM) |
Finished Size (MM) |
Cross Area (cm2) |
Average Path Length(CM) |
One-turn Loop Independence AL(μH) 1Khz,0.25V |
||||||||
OD |
ID |
H |
OD |
ID |
H |
Ae |
Lm |
AL(min) |
|||||
EK0603 |
6.0 |
3.0 |
3.2 |
6.5 |
2.5 |
3.8 |
0.037 |
1.41 |
13.0 |
||||
EK0903 |
9.0 |
5.0 |
3.2 |
9.5 |
4.5 |
3.8 |
0.050 |
2.20 |
11.5 |
||||
EK1003 |
10.0 |
7.0 |
3.2 |
10.5 |
6.5 |
3.8 |
0.037 |
2.67 |
7.0 |
||||
EK1210 |
12.0 |
8.7 |
10.0 |
12.6 |
8.1 |
10.6 |
0.129 |
3.25 |
20.0 |
||||
EK1405 |
14.0 |
9.0 |
4.5 |
14.5 |
8.5 |
5.1 |
0.088 |
3.61 |
12.0 |
||||
EK2108 |
21.3 |
13.5 |
8.0 |
22.1 |
12.8 |
9.0 |
0.243 |
5.46 |
22.0 |
||||
EK4304 |
43.0 |
35.0 |
4.0 |
43.6 |
34.4 |
4.6 |
0.125 |
12.25 |
5.0 |
||||
Two series of toroidal core
B series core commonly used as a replacement of EI and other toroidal transformers with lower magnetic loss requirement.
Material thickness: 0.30mm, 0.27mm, 0.23mm
M3-0.23mm
|
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Toroidal Core Custom Form |
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OD(MM) |
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ID(MM) |
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H(MM) |
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Specified Material |
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Performance Requirement |
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Other requirement |
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