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Iron Powder Core

Yellow White Toroid Core High Permeability Iron Powder Core

Yellow White Toroid Core High Permeability Iron Powder Core

Iron Powder cores are distributed air gap cores, with excellent inductance stability under both DC &AC conditions, high resistivity, low hysteresis & eddy current losses.

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Iron powder cores are magnetic cores made from finely powdered iron particles, they are distributed air gap cores. The insulation between particles reduces eddy currents and associated losses. This construction results core with excellent inductance stability under both DC &AC conditions, high resistivity, low hysteresis & eddy current losses. Iron Powder Cores commonly used in inductors, transformers, and other electromagnetic devices in electrical and electronic field. 

Flat Wire Toroidal Inductor

Types of powder core:

  • In High-frequency application:Carbonyl Iron Powder Cores Made from highly pure iron, those powdered iron core excellent magnetic properties.
  •  Not Ultra-high frequency field:Reduced Iron Powder Cores are less pure than carbonyl iron core, which cost is a high.
  • Special Types of Iron Powder Core Application:Sendust and Molypermalloy Powder (MPP) Cores, which include additional materials (e.g., silicon, aluminum, or molybdenum) to enhance certain properties such as permeability and saturation flux density.


Advantages

  • High Permeability: Iron powder cores have a high permeability, which allows them to effectively store and transfer magnetic energy.
  • Low Eddy Current Losses: The insulation between iron particles reduces eddy current losses, making them efficient at higher frequencies.
  • Cost-Effective: Compared to other core materials like ferrites, iron powder cores are often more cost-effective.
  • Versatility: They are available in various shapes and sizes, making them suitable for a wide range of applications.

Advantage Comparing:

Flat Wire Toroidal Inductor


Classic EI, EE, C foil inductors

Toroidal round wire inductor

Flat wire toroidal inductor

Component

EI,EE,C Core

Toroidal Core

Iron Powder Core

Toroidal Wire

Toroidal Wire

Flat Wire

Power range

20KVA ~500KVA

 

3KVA ~ 100KVA

Material use efficiency

Poor

Good

Excellent

Magnetic field homogeneity

Poor

Excellent

Excellent

Manufacturing Process

Hard

Easy

Easy

Parasitic capacitance

High

Low

Very low

Insulation reliability

Poor

High

Very high

Cooling efficiency

Poor

High

High

High Power coil losses >100kVA

Good

Medium

Poor

DCR high power >100kVA

Excellent

Good

Poor

Filling factor

Good

Good

Medium


Applications

  • Inductors: Used in power supplies, RF circuits, and audio equipment to store energy and filter signals.
  • Transformers: Suitable for small transformers, especially in high-frequency applications.
  • EMI Suppression: Used in electromagnetic interference (EMI) filters to reduce noise in electronic circuits.
  • Chokes: Employed in choke coils for DC-DC converters and other power supply applications.

 

Design

When selecting an iron powder core, consider the following factors:

  • Frequency Range: Ensure the core material is suitable for the operating frequency of your application.
  • Permeability: Choose a core with the appropriate permeability for your design requirements.
  • Saturation Flux Density: Ensure the core can handle the expected magnetic flux without saturating.
  • Loss Characteristics: Consider the core losses, especially if operating at high frequencies.
  • Size and Shape: Select a core that fits within the physical constraints of your design.

Iron powder cores are a versatile and widely used component in many electromagnetic applications, offering a balance of performance, cost, and availability.




As an leading manufacturer of amorphous and nanocrystalline core products, Coilcore provides quality services to customers with high-performance products and one-stop solutions. By leaving a message below to get more details about Iron Powder Core quickly!


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