Iron Powder Cores

Shaanxi Goldstone Magnetic Material Factory is based on a high starting point, and its production equipment is equipped with automatic powder forming hydraulic press, automatic ultrasonic surface treatment machine and automatic spraying assembly line to ensure stable and reliable product quality. Our company also has a inductance coil production workshop with more than 200 people, which is specialized in helping terminal manufacturers to support and process various types of coils.Most of the magnetic rings need to be painted for easy distinction. Generally, soft magnetic iron powder cores are distinguished by two colors, commonly used are red / transparent, yellow / red, green / red, green / blue and yellow / white.

 They are widely used in electronic components such as high-frequency electronic transformers because of their much higher saturation magnetic flux density, better DC superposition characteristics, magnetostrictive coefficient close to zero, no noise during operation, good frequency stability, and high performance price ratio than ferrite operating in the same frequency band. Their disadvantage is that non-magnetic fillers not only produce magnetic dilution, but also make the magnetic flux path discontinuous, and local demagnetization leads to the decrease of magnetic permeability.

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Datasheet                                                                                                                                                      

The early magnetic powder cores were "bonded" metal soft magnetic cores made of iron silicon aluminum alloy magnetic powder. This kind of iron silicon aluminum magnetic powder core is often called "iron powder core". Its typical preparation process is: Fe Si Al alloy magnetic powder is flattened by ball milling and coated with insulating layer by chemical method, then about 15wt% binder is added, mixed evenly, molded and cured, and finally heat treated (stress relieved) to make the product. This traditional "iron powder core" product mainly works at 20KHz ∼ 200kHz.

Our Test equipment                                                                                                                                        

The recently developed high-performance iron powder cores is different from the traditional iron silicon aluminum magnetic powder core. The raw material used is not alloy magnetic powder but pure iron powder coated with an insulating layer. The amount of binder is very small, so the magnetic flux density is greatly improved. They work in the middle and low frequency band below 5KHz, generally hundreds of Hz, which is much lower than the working frequency of iron silicon aluminum magnetic powder core. The target market is to replace the silicon steel sheet used for motors with its advantages of low loss, high efficiency and easy three-dimensional design.
Shaanxi Goldstone  company is positioned to "pursue excellent magnetic materials", and takes improving customer satisfaction and trust as the company's pursuit goal. Through continuous technological innovation and management innovation, the company can improve the cost performance of products. With great enthusiasm and sincere service, the company can satisfy and reassure customers!

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