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Properties of Fe-based Amorphous Cores


 

   Grades and Typical Magnetic Properties of Fe-based Amorphous Tape Wound Cores

 

 

Grade

IA-L  

IA-M

IA-H  

μm

>2x104

>20´104

>25´104  

Bs (T)

1.5   

1.5

1.5   

Br (T)

<0.5   

0.51.0   

1.2

Hc (A/m)

<4

<2.4 

<4

Loss(50Hz, 1.4T) (w/kg)

<0.2

<0.13

<0.3  

Loss(400Hz, 1.2T) (w/kg)

<1.8  

<1.25

<2

Loss(8kHz, 1.0T) (w/kg)

<80

<60  

<100  

Variation of Iron Loss(-55125°C)(%)

<15  

<15

<15

Variation of Iron Loss(120°C/200hrs)(%)

<15 

<15  

<15  

 

 

  Typical Physical Properties of Fe-based Amorphous Tape Wound Cores (Grade 1K101)

 

 

Bs (T)

1.56

Hardness, Hv(kg/mm2)  

960  

Curie Temperature, Tc(øC)  

410

Density, d(gcm3)

7.18  

Crystallization Temperature,Tx(øC)  

550  

Electroresistance,r(mW-cm)  

130  

Saturation Magnetostriction,ls  

27´10-6  

 

 

 


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