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CRGO Toroidal Silicon Steel Lamination Core for Audio Transformer
This premium CRGO (Cold Rolled Grain Oriented) toroidal silicon steel lamination core is specifically engineered for high-performance audio transformers. Made from carefully selected silicon steel sheets with precise grain orientation, it delivers exceptional magnetic properties and minimal core losses. The toroidal shape ensures uniform magnetic flux distribution and superior noise reduction, making it ideal for high-fidelity audio applications. The laminated construction effectively minimizes eddy current losses, resulting in improved efficiency and reduced heat generation. Perfect for both input and output audio transformers, this core provides excellent frequency response and maintains signal integrity. Its compact design allows for space-efficient transformer assemblies while delivering reliable performance. Whether used in professional audio equipment, high-end amplifiers, or custom audio solutions, this core ensures optimal power transfer and audio quality.
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Products Description
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
Smashing → Laser-welding → Slitting →Winding →Chamfering→ Annealing → Varnish → Testing → Packing
Product Paramenters
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
A series
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
A round core wound by automatic machines with one continuous tape of CRGO silicon steel and annealed in a tunnel furnace under the protection of inert gases.
Material thickness: 0.30mm, 0.27mm, 0.23mm, 0.10mm, 0.08mm and 0.05mm.
B series
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
Material
M3-0.23mm
|
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Please let us know the below information
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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Product packaging
Tel: +86 757 83789311
Mob: +86 13106683388
Email:
Whatsapp :
+86 133 0284 0021
Wechat :
+86 13106683388
