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永磁铁氧体材料性能国际单位制（SI）与CGS制对照表
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材料
牌号
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Br |
BHC |
(BH)max |
| wb/m2 |
GS |
KA/m |
Oe |
KJ/m3 |
MG
Oe |
| Y10T |
≥0.20 |
≥2000 |
128~160 |
1600~2000 |
6.4~9.6 |
0.8~1.2 |
| Y15 |
0.28~0.36 |
2800~3600 |
128~192 |
1600~2400 |
14.3~17.5 |
1.8~2.2 |
| Y20 |
0.32~0.38 |
3200~3800 |
128~192 |
1600~2400 |
18.6~21.5 |
2.3~2.7 |
| Y25 |
0.35~0.39 |
3500~3900 |
152~208 |
1900~2600 |
22.3~25.5 |
2.8~3.2 |
| Y30 |
0.38~0.42 |
3800~4200 |
160~216 |
2000~2700 |
26.3~29.5 |
3.3~3.7 |
| Y35 |
0.40~0.44 |
4000~4400 |
176~224 |
2200~2800 |
30.3~33.4 |
3.8~4.2 |
| Y15H |
≥0.31 |
≥3100 |
232~248 |
2900~3100 |
≥17.5 |
≥2.2 |
| Y20H |
≥0.34 |
≥3400 |
248~264 |
3100~3300 |
≥21.5 |
≥2.7 |
| Y25BH |
0.36~0.39 |
3600~3900 |
176~216 |
2200~2700 |
23.9~27.1 |
3.0~3.4 |
| Y30BH |
0.38~0.40 |
3800~4000 |
224~240 |
2800~3000 |
27.1~30.3 |
3.4~3.8 |
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永磁铁氧体材料的参考性能表
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| 材料牌号 |
电阻率
P(Ω.cm) |
比重
d(g/Cm3) |
居里点
TC(℃) |
回复磁导率
urec |
剩磁温度系数
aBr(%/℃) |
线膨胀系数
(10-6/℃) |
| Y10T |
104~108 |
4.0~4.9 |
450 |
1.05~1.3 |
-0.18~-0.20 |
+9~15 |
| Y15 |
104~108 |
4.5~5.1 |
450 |
1.05~1.3 |
-0.18~-0.20 |
+9~15 |
| Y20 |
104~108 |
4.5~5.1 |
450~460 |
1.05~1.3 |
-0.18~-0.20 |
+9~15 |
| Y25 |
104~108 |
4.5~5.1 |
450~460 |
1.05~1.3 |
-0.18~-0.20 |
+9~15 |
| Y30 |
104~108 |
4.5~5.1 |
450~460 |
1.05~1.3 |
-0.18~-0.20 |
+9~15 |
| Y35 |
104~108 |
4.5~5.1 |
450~460 |
1.05~1.3 |
-0.18~-0.20 |
+9~15 |
| Y15H |
104~108 |
4.5~5.1 |
460 |
1.05~1.3 |
-0.18~-0.20 |
+9~15 |
| Y20H |
104~108 |
4.5~5.1 |
460 |
1.05~1.3 |
-0.18~-0.20 |
+9~15 |
| Y25BH |
104~108 |
4.5~5.1 |
460 |
1.05~1.3 |
-0.18~-0.20 |
+9~15 |
| Y30BH |
104~108 |
4.5~5.1 |
460 |
1.05~1.3 |
-0.18~-0.20 |
+9~15 |
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