The main uses and characteristics of soft ferrite cores
Soft ferrite core is a kind of magnetic material, these are all well-known things. The main advantage of soft ferrite in electrical resistance over metal magnetic materials is the main purpose of multiple ferrite cores and soft ferrites.
The resistance of ferrite soft ferrite has the main advantage of suppressing eddy currents compared to metal magnetic materials. The application of high-frequency fields has prepared ceramic technology that is easy to change from various shapes and sizes, chemical properties are stable, does not rust, and reduces manufacturing costs. The main shortcomings of soft ferrite are that it has low saturation density, low flux, brittle texture, and fragility.
The main use of multiple soft ferrite cores is various coils, transformers, reactors and filters. White spoons are used. They are widely used in modern electronic data, such as computer manufacturing, and used in modern electronic data, such as computers and peripherals. The output of equipment, office automation equipment, communication and digital communication equipment, on the Internet, has a wide range of fields, home appliances, equipment, electromagnetic compatibility, green lighting, industrial automation, automotive, aerospace applications and military.
Relationship between permeability and magnetization curve
UE’s effective permeability promotes transformer windings and meandering means, such as transformers and filters, to facilitate the effective permeability of filter devices, often forming two magnetic cores of the same shape that are magnetically compatible with closed circuits. The shape and size of the magnetic circuit, different parts of the counter surface (to improve performance, sometimes) the inevitable air gap magnetic circuit air gap system, performance, and sometimes the artificial system is still closed when the air gap magnetic circuit is open) production vibration transmission Machine, the effective penetration rate of the core symptoms of performance
In the case of the core coil inductance large (high) is equipped with the core of the inductance coil; (eight) the effective magnetic path length (meters) is the effective magnetic path length when the number of turns of the coil is printed ( M), the effective cross-sectional area of the EU effective EU cross-sectional area (M2)
In order to improve the ability provided by the air gap, to reduce the saturation magnetic flux density Bs (T) of the magnetic core saturation magnetic flux density Bs saturation magnetic flux density. The residual magnetic flux density, the residual magnetic flux density of bromine, the residual magnetic flux density after the magnetic field from the saturation (R) of the bromine. 5 Coercivity HC (M /) HC (After the end of the saturation magnetic field, the core is still magnetized to the magnetic field, the magnetic flux density is reduced to zero, forcing the magnetic field strength at this stage to be more information than the forced voltage to vibrate the feeder. Curie temperature (°C) Curie temperature Tc (°C temperature, the temperature of the ferromagnetic material (or ferrous) from the paramagnetic (or ferrimagnetic) material.
Soft ferrite cores have many uses
During the production process of soft ferrite, calculate the weight according to a predetermined formula, mix high-purity powdered oxides (such as iron oxide, trimanganese tetroxide, zinc oxide, magnesium oxide NIO, etc.), then zinc oxide and magnesium oxide NIO After baking, crushing, granulating, pressing at high temperature (1200-1400°C (1200°C between -1 400°C sintering), and then grinding to complete the roughness, including inspection and packaging.