Toridal Core Flat Wire Inductor

Technical Parameters :

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Material Option:

  • Wire Option: Toridal Wire; Copper Flat Wire; Aluminum Flat Wire

  • Installation Option: Vertical Type; Horizontal Tyle

  • Core Option: Powder Core


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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For different application request, we suggest different powder core:

1). For lowest loss inductor, the ultra low losses Kool Mµ Hƒ and MPPpowder cores are goods.

2). For the smallest core size in a DC Bias dominated design, the HIGH FLUX &EDGE powder cores with highest flux capacity are suggested.

3). For competitive cost, but reasonable low core loss & high saturation,Kool Mu powder core is good choice. 

4). For low & medium frequency inductors and chokes, high saturation XFlux powder cores are much more economical, high saturation material (1.6T).



Kool Mµ

Kool Mµ Max

Kool Mµ Hƒ

Xflux

High Flux

Edge

MPP

Allay composition

FeSiAl

FeSiAl

FeSiAl

FeSi

FeNi

FeNi

FeNiMa

Available Permeabilities

14-125

14-60

26,60

19-125

14-160

26,60

14-550

Core Loss, 60µ(mW/cc)

50KHz, 1000G

215

200

120*

575

250

150

165

100KHz, 1000G

550

550

325*

1280

625

375

450

Perm vs. DC Bias-60µ (Oe)

80% of µ1

45

65

60

100

100

130*

60

50% of µ2

95

130

115

170

185

205*

105

60µ Temperature Stability - Typical % shift from -60 to 200°C

6%

3%

5%

4%

4.50%

2%

2.50%

Curie Temperature

500°C

500°C

500°C

700°C

500°C

500°C

460°C

Saturation Flux Density (Tesla)

1.0

1.0

1.0

1.6

1.5

1.5

0.8

Frequency Response -60µ flat to...

5MHz

15MHz

30MHz

3MHz

3MHz

20MHz

6MHz

Relative Cost

1x*

2x

2x

1.2x

4x-6x

5x

7x-9x


Inductor Comparing:

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Classic EI, EE, C foil inductors

Toroidal round wire inductor

Flat wire toroidal inductor

component

EI,EE,C Core

Toroidal Core

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


Compared the classic EI,EE,C foil inductors, Toroidal cores replacement comes more and more popular, because of:

  • LOWER PARASITIC CAPACITANCE


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  • SAFE MANUFACTURE PROCESSES

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  • DM NOISE POLLUTTION REDUCTION

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  • LEAKAGE FLUX

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Main Application:

New patterns of power consumption and generation are reshaping the way electricity distribution networks are used.

Flat Wire Toroidal Inductors are widely used as Booster Inductor & Inverter Inductor, which popular application in:

  • New Energy Vehicle

  • Charging Pile

  • Solar Inverter

  • UPS