Parameter | Value |
---|---|
Material Composition | FeCuNbSiB |
Thickness | 28~35µm |
Saturation Induction Bs | 1.25T |
Curie Temperature | 570℃ |
Hardness Hv | 880 |
Crystalline Temperature | 500℃ |
Saturation Magnetostriction | 2×10⁻⁶ |
Initial Permeability µi | ≥80000 |
Maximum Permeability µm | ≥500000 |
Density | 7.2 g/cm³ |
Electrical Resistivity | 130 μΩ.cm |
Lamination Factor | ≥0.8 |
Operating Temperature Range | -50~120℃ |
Part No. | Core Dimensions (ODxIDxH) | Finished Dimensions (ODxIDxH) | CT Accuracy | DC Compliance |
---|---|---|---|---|
120×14×10 | 22.5×12.1×12.2 | 0.5-0.1 Class | 20-40A | |
221×15×10 | 23.6×12.8×12.8 | 0.5-0.1 Class | 10-40A |
Nanocrystalline cores are manufactured using a precise process that starts with the selection of high-quality iron-based alloys. These alloys include compositions such as Fe-Si-B, Fe-Ni, and Fe-Co. The manufacturing process involves rapid solidification, followed by annealing to achieve a nanoscale crystalline structure. Rapid solidification is performed by cooling the molten alloy at an extremely high rate, creating an amorphous structure initially. Once solidified, the material undergoes annealing at controlled temperatures to form nanocrystalline grains embedded within the amorphous matrix. This unique microstructure provides the exceptional magnetic properties characteristic of nanocrystalline cores.
Nanocrystalline cores find extensive application in various electrical and electronic systems. Due to their high permeability, low core losses, and high saturation magnetization, they are ideal for use in transformers, inductors, magnetic amplifiers, current transformers, and chokes. In transformers, these cores enhance efficiency and reduce energy losses, especially in high-frequency applications like switch-mode power supplies. Inductors benefit from the high permeability and low losses, making them efficient for power electronics, filtering, and energy storage. Magnetic amplifiers leverage the high saturation magnetization for compact, efficient designs, while current transformers rely on the precision and stability of nanocrystalline cores for accurate current sensing and measurement. Chokes utilize the low core losses and high permeability to effectively block high-frequency noise, crucial for EMI and RFI suppression.
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Nanocrystalline cores are advanced magnetic materials made from iron-based alloys with a fine-grained microstructure. They are used in inductors, transformers, and other current management components due to their exceptional magnetic properties.
The unique nanoscale grain structure of nanocrystalline cores provides high permeability, low core losses, high saturation magnetization, and excellent temperature stability, making them highly efficient and reliable for electrical applications.
As a leading manufacturer of nanocrystalline cores for current management, our products are designed to offer unparalleled efficiency in various electrical applications. The high permeability and low core losses make them ideal for transformers and inductors, significantly improving energy efficiency and reducing heat generation. These cores are especially beneficial in high-frequency applications, where traditional materials often fall short. By utilizing our nanocrystalline cores, manufacturers can achieve more compact and efficient designs, which are critical in the evolving landscape of power electronics.
New energy systems demand components that can handle high frequencies and substantial magnetic fields efficiently. Our nanocrystalline cores excel in such environments, making them a preferred choice for applications in inverters for new energy, electric vehicles, and power supplies for rail transit. Their high saturation magnetization and temperature stability ensure reliable performance even under varying operating conditions. As a manufacturer specialized in these advanced materials, we are committed to supporting the transition to sustainable energy solutions with our high-quality nanocrystalline cores.
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