2018年9月13日星期四

HSMAG Ferrite Cores

HSMAG Ferrite Cores – soft ferrite cores are an oxide made from Iron (Fe), Manganese (Mn), and Zinc (Zn) which are commonly referred to as manganese zinc ferrites. They have a low coercivity and are also known as soft magnetic ferrites. Because of their comparatively low losses at high frequencies, they are extensively used in switched-mode power supply (SMPS) and radio frequency (RF) transformers and inductors. Ferrite cores for the high frequency power supply and high quality communication markets are produced in a variety of shapes and sizes for inductors, pulse transformers, high frequency transformers, and noise filters. Notable characteristics of Magnetics ferrite materials are high permeability, good temperature properties, and low disaccommodation. Magnetics offers ten materials. The materials range in permeability from 900µ to 15,000µ and are available in a variety of geometries including toroids, shapes and pot cores. Hardware accessories such as bobbins, printed circuit bobbins, clamps, mounts and headers are also available. Ferrite materials summary for all Magnetics power and high permeability ferrite materials. See individual material curves: Inductors and Power Transformers – L (900µ) , R (2,300µ) , P (2,500µ) , F (3,000µ) , T (3,000µ) EMI/RFI Filters and Broadband Transformers – J (5,000µ) , W (10,000µ) , M (15,000µ) Linear Filters and Sensors – C (900µ) , E (2,000µ) , V (2,300µ)

Ferrite Applications

ApplicationsDesired PropertiesPreferred MaterialsAvailable Shapes
Broadband TransformersLow loss, High µ (permeability), Good frequency responseJ, W, M*Pot cores, Toroids, E, U & I cores, RM, EP cores
Common Mode ChokesVery high µJ, W, M*Toroids, E cores
Converter and Inverter TransformersLow losses, High saturationF, L, P, R, TToroids, E, U & I cores, Pot cores, RS cores, Planar cores
Differential Mode InductorsLow losses, High temperature stability, Good stability across load conditionsF, P, R, TGapped pot cores, EP cores, E cores, RM cores, Planar cores, PQ cores
Narrow Band TransformersModerate Q, High µ, High stabilityF, JPot cores, Toroids, RM cores, EP cores
Noise FiltersHigh µ, Good frequency responseJ, W, MToroids
Power InductorsLow losses at high flux densities and temperatures, High saturation, Good stability across load conditionsF, L, P, RPot cores, E cores, PQ cores, RM cores, Planar cores
Power TransformersHigh µ and low losses at high flux densities and temperatures, High saturation, Low exciting currentsF, L, P, R, TUngapped pot cores, E, U & I cores, Toroids, EP cores, RS cores, DS cores, PQ cores, Planar cores
Pulse TransformersHigh µ, Low loss, High B saturationJ, W, MToroids
Telecom InductorsLow losses, High temperature stability, Good stability across load conditionsF, P, R, TPot cores, EP cores, E cores, RM cores, Planar cores
*M material available only in toroids

Ferrite Core Comparative Geometry Considerations

Toroid CoreE CoreEC, ETD, EER CoresER, Planar Cores PQ CoresPot CoreDS, RM CoresEP Core
Core Cost• •• •• • •• • •• • •• •
Bobbin CostN/A• •N/A• • •• • •
Winding Cost• • •
Winding Flexibility• • •• • •• •• •• • •• •
Assembly Difficulty• •• •• •• •
Mounting Flexibility• •• •• •• • •• • •• • •
Heat Dissipation• •• •• •• • •• •• • •
Shielding• • •• •• • •• •• • •
Table Key
Lowest cost and/or Worst choice
• •Medium cost and/or Medium choice
• • •Highest cost and/or Best choice
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Toroidal Cores

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toroids, toroidal cores, magnetic winding core,iron powder toroidal core,powdered cores,ferrite toroidal core,alpha-core,toroidal ferrite core,Toroidal Round Cores, Round Toroidal Core supplier,microscopic toroidal core Mode: Toroidal Cores ( Iron Powder Toroidal Core) Material: Iron Powder Application:  Line Filter,choke coil, light driver transformer. Initial Permeability: Initial permeability, Ui :2000-15000,include power and high permeability material Certificated: ISO9001-2008, SGS-ROHS. MOQ: […]

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