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Iron-based amorphous mid-frequency transformer core
铁基非晶采用特殊工艺制造成的磁芯，应用于频率从400Hz到15kHz的各种规格中频变压器。中频变压器磁芯主要有矩形和环形两大类。
Amorphous transformer mid frequency transformer core, applying to all kinds of min-frequency transformer from 400Hz to 15KHz. The forms of core are mainly rectangular and toroidal.
应用领域Application fields：：
各种中频变压器铁芯，如航空变压器
Mid-frequency transformers in aviation.
铁路控制系统变压器
Transformers of controlling system in railway
机械零件淬火设备变压器
Transformers of quenching mechanic components
激光电源变压器等
Laser power transformers
性能特点Characteristic：
高饱和磁感应强度－提高变压器的工作点，缩小电源体积
High saturate induction—reducing core volume
高导磁率、低矫顽力－提高电源效率，减小激磁功率
High permeability, low coercivity—improve the power efficiency, minish the exciting power watts.
低损耗—降低变压器的温升
Low power loss—lower the transformer temperature.
优良的温度稳定性—可在最高达-55~+130 oC长期工作，具有良好的稳定性
Excellent stability—with the highest serving temperature from -55 to 130℃ for long time
性能指标：
Toroidal core
饱和磁感应强度，T
Saturate induction density
1.56
剩余磁感应强度，T
Remanence
＞0.8
居里温度，
Curie temperature ℃
410
矫顽力，A/m
Coercivity A/m
＜4
晶化温度，℃
Crystallization temperature ℃
560
损耗（400Hz,1.0T）,w/kg
Core loss（400Hz,1.0T）,w/kg
＜1.5
饱和磁致伸缩系数，×10-6
Saturate magnetostriction
27
损耗（5KHz,0.5T),w/kg
Core loss（5KHz,0.5T),w/kg
＜15
最大导磁率
Maximum permeability
＞20×104
损耗变化率（-50-130℃）
P/P（-50-130℃）
＜15%
Specifications
Toroidal core
产品规格Part No.
铁芯尺寸core dimension
铁芯重量
Core Weight
有效截面积Gross Section
400Hz功率
KW
OD
ID
HT
FJM-360200050
360
200
50
＞17.2Kg
27c㎡
25kW
FJM-360200100
360
200
100
＞34.4Kg
54c㎡
50kW
