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铁基纳米晶小型电源变压器环形磁芯 多种  

 

铁基纳米晶小型电源变压器环形磁芯
Iron-based nanocrystalline toroidal core for mini power transformer
 
小型开关电源变压器用环形铁芯用铁基纳米晶材料制造,主要用于高频条件下,小功率(一般不大于400W)的开关电源功率转换变压器磁芯
    Mini power transformer core are made out of nanocrystalline materials, mainly used in power switch transformers with power loss less than 400W.
 
应用领域Application fields
1替代坡莫合金和铁氧体
   Replacement of permalloy and ferrite
2、小型单端、半桥、全桥或推挽式高频开关电源变压器磁芯
   Single-ended high frequency power switch transformer core, half (and full) controlled bridge power switch transformer core, push-pull type power switch transformer core.
3DC-DC AC-DC DC-AC变换器中的变压器磁芯
   Transformer core in convertor of DC-DC AC-DC DC-AC
4、小型模块电源变压器磁芯
   Mini module power transformer core
  
性能特点Characteristic
1、高饱和磁感应强度-缩小变压器体积
High saturate induction—minimize volume of transformers
2、高导磁率、低矫顽力-提高变压器效率,减小激磁功率和线圈分布参数
High permeability and low coercivity—promote efficiency and reduce exciting power of transformers.
3、低损耗-降低变压器温升
Low core loss—minimize temperature rise of transformers
4、优良的稳定性-可在130长期工作
Excellent stability—with the highest serving temperature of 130 for long time.
 
                                                             
铁基纳米晶合金与其它软磁材料的特性对比
Characteristic comparation: nanocrystalline with other soft magnetic materials

材质
Materials
铁基纳米晶合金
Nanocrystalline alloy
坡莫合金
permalloy
铁氧体
ferrite
饱和磁感(T) 
Saturate induction
1.25
0.75
0.5
磁致伸缩(×10-6) 
Saturate magnetostriction
<2
<2
4  
电阻率 (mW-cm)
Resistivity
80  
56
106  
居里温度 (℃)  
Curie temperature
570
400
<200
剩磁(T)
Remanence
0.20-1.0
-
0.20
初始磁导率(Gs/Oe)
Initial permeability
>80,000
>80,000
-
最大磁导率(Gs/Oe)
Max permeability
>200,000
600,000
<20,000
矫顽力Hc (A/m)
Coercivity
<2
<1
6
损耗 (20KHz,0.5T)(W/Kg)
Core loss(20KHz,0.5T)(W/Kg)
<35
-
-
损耗 (50KHz,0.3T)(W/Kg)
Core loss(50KHz,0.3T)(W/Kg)
<60
-
-

 
 
 
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