Ads by Google
Typical properties of core powder
Grade | Shape | Permeability | Flowability (s/50g) | A.D. (g/cm3) | O.C PPM | Mean Size(μm) D50 |
HF | Irregular
| 60125 | <25 | >4.2 | <2500 | 40~48 |
MPP | 125220 | <25 | >4.2 | <2000 | 40~48 | |
FeSi | 20-90 | <30 | >3.3 | <2000 | 45~55 | |
FeSiCr | 20-60 | <30 | >3.2 | <2000 | 12~25 | |
Amorphous | 20-60 | <30 | >3.5 | <2500 | 32~40 | |
HF | Spherical | 60125 | <20 | >4.8 | <600 | 50-60 |
MPP | 125220 | <20 | >4.8 | <600 | 60-70 | |
Sendust | 60-90 | <20 | >4.2 | <500 | 50-60 | |
FeSi | 20-60 | <20 | >4.2 | <500 | 50-60 |
Typical powder core properties
Grade | Shape | Flowability (s/50g) | A.D. (g/cm3) | O.C PPM | Particle Size |
FeCoNi | Spherical | <15 | >4.9 | <400 | variety of particle size, such as:-50+80,-80+150,-150+250mesh |
FeCo | <15 | >4.9 | <400 | ||
FeCr | <15 | >4.9 | <300 |
Remark* @50kHz,0.1T**@50%μ0
Typical properties of clutch powders
Grade | Permeability | Core Loss* kW/m3 | DC Bias** Oe | u VS. T (-55~125) | u VS. F MHz |
Amorphous | 60 | 400~600 | 85~100 | 2~2.5% | 10 |
MPP | 60 | 400~800 | 100 | 0.6% | 2.7 |
HF | 60 | 1100 | 150 | 1.4% | 1.2 |
Sendust | 60 | 800 | 90 | 8% | 8 |
Other alloys and tailored particle size distributions, not listed, are available on request.
Magnetic powder