Nanocrystalline Cores/ Magnetic Core/ Transformer Core
- Cutting-Edge Nanocrystalline Structure: Ultra-fine crystalline design delivers exceptional magnetic permeability and ultra-low core losses vs. traditional materials.
- Broad Frequency Adaptability: Optimized performance across low-to-medium frequencies, ideal for high-efficiency transformers, common mode chokes, and EMI suppressors.
- Compact & Thermally Stable: Space-saving size paired with excellent temperature stability, perfect for space-constrained, high-reliability applications.
- Versatile Application Scope: Optimal choice for switch-mode power supplies, current transformers, and high-performance inductors, balancing efficiency and cost-effectiveness.
- Premium Magnetic Performance: Outperforms conventional silicon steel cores, ensuring consistent power conversion for modern electronic devices.
- Overview
- Recommended Products
Our premium nanocrystalline cores represent the cutting edge in magnetic core technology, offering superior performance for modern transformer and inductor applications. These cores feature an ultra-fine crystalline structure that delivers exceptional magnetic permeability and significantly lower core losses compared to traditional materials. With their outstanding frequency characteristics ranging from low to medium frequencies, these cores are ideal for high-efficiency power transformers, common mode chokes, and EMI suppression devices. Their compact size and excellent temperature stability make them perfect for applications where space is at a premium and consistent performance is crucial. Whether you're designing switch-mode power supplies, current transformers, or high-performance inductors, our nanocrystalline cores provide the optimal balance of efficiency, reliability, and cost-effectiveness.








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
|
||

Toroidal Core Custom Form |
||
OD(MM) |
||
ID(MM) |
||
H(MM) |
||
Specified Material |
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Performance Requirement |
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Other requirement |
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