材料特性 Characteristic | 测试条件 | 测试温度 | 5K | 7K | 10K | 12K | 15K |
初始磁导率μi Initial permeability | 1kHz ＜0.25mT | 25℃ | 5500 ±30% | 7500 ±30% | 11000 ±30% | 12000 ±30% | 15000 ±30% |
饱和磁通密度 Bs (mT) Saturation magnetic flux density | 1KHz H=1194A/m | 25℃ | 450 | 430 | 400 | 390 | 380 |
100℃ | 300 | 270 | 230 | 220 | 200 | ||
剩磁 Br (mT) Remanence | 25℃ | 70 | 100 | 120 | 100 | 90 | |
100℃ | 60 | 50 | 90 | 90 | 80 | ||
矫顽力 Hc (A/m) Coercivity | 25℃ | 5 | 5 | 5 | 3 | 3 | |
100℃ | 4 | 4 | 3 | 2 | 2 | ||
比损耗因子 tanδ/μi (10-6) Relative loss factor | 100KHz | 25℃ | ＜7 | ＜20 | ＜20 | ＜30 | ＜40 |
居里温度 Tc (℃) Curie Temperature | 10kHz <0.25mT | >150 | >130 | >120 | >120 | >110 | |
密度d (kg/m3) Density | 25℃ | 4.85 ±0.05 | 4.90 ±0.05 | 4.95 ±0.05 | 4.95 ±0.05 | 4.95 ±0.05 |
