Metal
The metal materials is mainly composed of Fe、Si、Cr、Al & Ni. According to different proportions and granulated with glue.After forming、processing、granulation, to form diferent shapes of ferrite core.
The metal materials are FeSiCr、FeSi、FeSiAl & FeNi.
| Characteristics | Symbol | Unit | seettings | Temp. | MPT21 | MSB40 | MSL40 | MSL45 | MSS70 | MST70 | MSS100 |
| Initial permeability | μi | μi | 1MHz,1V | 25°C | 21± 10 | 40± 10 | 40 ± 15 | 45 ± 10 | 70 ± 10 | 70 ± 10 | 100± 10 |
| Saturation magnetic flux density | Bs | T | H=20000 (A/m) | 25°C | >1.0 | >1.05 | >1.0 | >1.0 | >1.0 | >1.0 | >1.0 |
| Core loss volume density Pcv | Pcv | mW/cm3 | f=500KHz, 30mT | 25°C | <900 | <600 | <400 | <200 | <900 | <900 | <800 |
| Relative temperature coefficient | αμir | 10-6 | —— | -20～60°C | 8～18 | 8～18 | 8～18 | 8～18 | 8～18 | 8～18 | 8～18 |
| Curie temperature | Tc | ℃ | —— | —— | >300 | >300 | >300 | >300 | >300 | >300 | >300 |
| Electrical resistivity | ρ | MΩ | 25V | 25°C | >1 | >1 | >1 | >1 | >1 | >1 | >1 |
| Density | ds | g/cm³ | —— | 25°C | >5.3 | >6.2 | >6.2 | >5.6 | >6.5 | >6.5 | >6.5 |
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| MATERIAL | FeNi | FeSiAl | FeSi | ||||
| ITEM | MFN120 | MSL125 | MFS125 | ||||
| μi | 120 | 125 | 125 | ||||
| Core loss mW/cm3 50KHZ/100mT | 200 | 160 | 450 | ||||
| Cuie Temperature℃ | 500 | 500 | 700 | ||||
| Bs(Tesla) | 1.5 | 1 | 1.3 | ||||
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