China Suppliers Factory Custom Wound Toroidal Core - High Magnetic Permeability 1J85 Material
Wound iron core designed for high-performance electromagnetic components.
Commonly used in small and medium-sized transformers, mutual inductors, magnetic amplifiers, and leakage protectors.
High permeability permalloy soft tape material (e.g., 1J85) offering excellent performance, high magnetic permeability, and low loss.
High efficiency and energy saving. Compared with stacked iron cores, no-load loss is reduced by 7%-10%, and no-load current is reduced by 50%-75%.
Fully automatic winding, smooth and tight, no shear waste. Material utilization rate is nearly 100%, and production efficiency is 5-10 times higher than stacked iron cores.
The integrated structure reduces noise by 5-10dB compared with stacked iron cores.
Various specifications can be customized to meet the diverse needs of customers.
After high-temperature heat treatment, performance is stable, and the accuracy of the transformer can reach 0.1 level.
In the world of electromagnetic components, wirewound toroidal cores are the epitome of efficiency and innovation. Made from high permeability IJ85 material, these cores are designed to meet the stringent requirements of modern electrical applications. The use of platinum alloy soft tape (e.g. 1J85) ensures that these cores exhibit excellent performance, characterized by high permeability and minimal residual magnetism. This makes them indispensable in the construction of small and medium-sized transformers, magnetic amplifiers and earth leakage protectors.
One of the outstanding features of wound toroid cores is their unparalleled efficiency and energy saving capabilities. Compared with traditional laminated cores, the no-load loss of wound toroidal cores is reduced by 7%-10%, which is impressive. In addition, the no-load current is significantly reduced by 50%-75%. Significant reductions in energy losses mean substantial cost savings and performance improvements, making wirewound toroid cores the first choice for a variety of electromagnetic applications.
In addition to the technical advantages, wirewound toroidal cores also contribute to quieter, greener operation. The integrated structure of these cores reduces noise levels by 5-10dB compared to stacked cores. The reduction in noise not only creates a more comfortable working environment but also meets ecological sustainability goals, making wirewound toroid cores a responsible choice for modern industry.
| Trademark | Level | Strip thickness (mm) | At 0.08 magnetic field permeability uo GS/Oe | Maximum magnetic permeability um Gs/Oe | Coercivity HC | Saturation magnetic hardness BS GS |
|---|---|---|---|---|---|---|
| no less than | no greater than | no less than | ||||
| 1J79B | YB/T5251-2013 | 0.05 | 20000 | 150000 | 0.03 | 7500 |
| 0.1 | 22000 | 200000 | 0.02 | |||
| 0.2 | 24000 | 220000 | 0.015 | |||
| 1J85B | YB/T5251-2013 | 0.05 | 45000 | 150000 | 0.02 | 6500 |
| 0.1 | 55000 | 180000 | 0.015 | |||
| 0.2 | 65000 | 220000 | 0.01 | |||
| 0.3 | 65000 | 250000 | 0.009 | |||
Note: The magnetic properties of YB/T5251-2013 in the above table are measured under DC state.
What are the main application fields for wound iron cores?
Wound iron cores are commonly used in electromagnetic components such as small and medium-sized transformers, mutual inductors, magnetic amplifiers, and leakage protectors.
What core materials are used in these wound cores?
They are made from high permeability permalloy soft tape materials, such as 1J85, which ensure excellent performance, high magnetic permeability, and low loss.
How do wound cores improve efficiency compared to stacked cores?
Compared with stacked iron cores, the no-load loss of the wound core is reduced by 7%-10%, and the no-load current is significantly reduced by 50%-75%, resulting in high efficiency and energy savings.
Do wound cores offer noise reduction benefits?
Yes, the integrated structure of wound cores reduces operation noise by 5-10dB compared with traditional stacked iron cores, contributing to a quieter and greener working environment.
What are the manufacturing advantages of fully automatic winding?
Fully automatic winding ensures a smooth and tight structure with no shear waste, leading to a material utilization rate of nearly 100%. Additionally, production efficiency is 5-10 times higher than stacked iron cores.
Are custom specifications available for these cores?
Yes, to meet the diverse needs of customers, various specifications can be customized, and the accuracy of the transformer can reach 0.1 level after high-temperature heat treatment.