High Quality Ring-shaped Core Toroidal Core Transformer Type Nanocrystallin Ferrite Core for Transformer
- Advanced Nanocrystalline Performance: Superior magnetic permeability and low core losses for high-efficiency power conversion across wide frequencies.
- Excellent Thermal & Magnetic Stability: High saturation flux density and temperature resistance, ideal for SMPS, current transformers, and EMI filters.
- Uniform Toroidal Design: Consistent magnetic field distribution and simplified winding process for streamlined transformer manufacturing.
- Compact & Versatile Application: Balances performance and reliability, suitable for both industrial and commercial high-performance power systems.
- Premium Energy-Saving Build: Minimizes energy loss vs. conventional silicon steel cores, enhancing overall transformer efficiency.
- Overview
- Recommended Products
The ring-shaped nanocrystalline ferrite core is an advanced magnetic component specifically engineered for high-performance transformer applications. Featuring superior magnetic permeability and low core losses, this toroidal core delivers excellent power efficiency and thermal stability across a wide frequency range. Its unique nanocrystalline structure provides outstanding saturation flux density and minimal energy loss, making it ideal for various power supply applications, including switch-mode power supplies, current transformers, and EMI filters. The uniform ring shape ensures consistent magnetic field distribution and simplified winding process. With exceptional temperature stability and compact size, this core offers the perfect balance of performance and reliability for modern transformer designs, suitable for both industrial and commercial power applications.









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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