应用领域:——大功率开关电源及逆变器主变压器,如:
Application field---- Transformer cores for large power switch mode power supplies and inverters, such as:
1) 逆变焊机电源
Inverters welding machines
2)X光电源、激光电源、通讯设备电源
X-ray and laser source power supplies
3)UPS不间断电源和高频感应加热电源
UPS and high frequency heating systems
4)充电电源
Charging power supply
5)电解电镀电源
Electrolytic and plating power supply
6)变频调速电源
Frequency conversion power supply
性能特点Characteristics:
高饱和磁感应强度-有效缩小器件体积
High saturate induction—minimize volume of transformers
高导磁率低矫顽力-提高变压器效率,减小激磁功率
High permeability and low coercivity—promote efficiency and reduce exciting power of transformers
低剩磁(Br≤0.2T)-获得更大的磁感增量,得到更大的输出功率
Low remanence(Br≤0.2T)—better magnetic induction, better output power capacity
低损耗—降低变压器的温升
Low core loss—minimize temperature rise of transformers
优良的温度稳定性—可在最高达130 oC温度下长期工作
Excellent stability—with the highest serving temperature of 130℃ for long time
性能指标Properties:
铁基纳米晶磁芯与铁氧体磁芯磁性能对比Comparison of nanocrystalline cores and ferrite cores:
基本磁性参数 parameters | 纳米晶铁芯 Nanocrystalline Cores | 铁氧体铁芯 Ferrite Cores |
饱和磁感应强度Bs(T) Saturate induction (T) | 1.25 | 0.5 |
剩余磁感应强度Br(T)(20KHz) Remanence(T)(20KHz) | <0.20 | 0.20 |
铁损 (20KHz/0.2T)(W/Kg) Core loss(20KHz/0.2T)(W/Kg) | <3.4 | 7.5 |
铁损 (0KHz/0.5T)(W/Kg) Core loss(0KHz/0.5T)(W/Kg) | <35 | --- |
铁损 (50KHz/0.32T)(W/Kg) Core loss(50KHz/0.32T)(W/Kg) | <40 | --- |
导磁率 (20KHz)(Gs/Oe) Permeability(20KHz)(Gs/Oe | >20,000 | 2,000 |
矫顽力 Hc(A/m) Coercivity Hc(A/m) | <1.60 | 6 |
饱和磁致伸缩系数(×10-6) Saturate magnetostriction×10-6 | <2 | 4 |
电阻率(mW.cm) Resistivity (mW.cm) | 80 | 106 |
居里温度 Tc (℃) Curie temperature (℃) | 570 | <200 |
叠片系数 Stacking factor | >0.75 | - |
部分产品规格Specifications:
产品编码Products No.:NFH-ODIDHT
NFH-纳米晶nanocrystalline 、 OD-外径Outer dimension
ID-内径inner dimension HT-高度height
注:我司可根据客户要求设计制作其他规格铁芯尺寸和性能;
Note: Cores with other specifications are available concerning customer’s demand.