Material Characteristics

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Material Characteristics
Material Properties Symbol Unit Measuring Conditions SFP3 SFP4 SFP41 SFP42 SFP5 SFA43 SFA05 SFA07 SFA10 SFA121 SFA151 SFN4 SFN41
Freq. Flux den. Temp.
Initial Permeability μi   ≤10kHz 0.25mT 25°C 2000±25% 2300±25% 2400±25% 1800±25% 2000±25% 4500±25% 5000±25% 7000±25% 10000±30 12000±30% 15000±30% 2500±25% 2500±25%
Power Loss Pv kW/m3 25kHz 200mT 25 °C     125 125                  
100°C 155   50 50                  
100kHz 200mT 25 °C   650 650 750                  
100°C 920 410 350 350                  
300kHz 100mT 25 °C     820 900 600                
100°C     500 500 450                
500kHz 50mT 25 °C     400 450 220                
100°C     300 300 250                
Saturation Flux Density Bms mT 10KHz H=1200A/m 25°C 500 510 495 520 470 460 440 400 410 380 400 450 450
100°C 410 390 395 420 350 300 300 200 210 180 170 320 320
Remanence Brms mT 10KHz H=1200A/m 25°C   100 170 200 100 65 80 150 140 130 220 90 90
100°C   55 70 70 60 60 90 110 110 110 100 100 100
Coercivity Hc A/m 10kHz H=1200A/m 25°C 23 14 11 12 12                
100°C 19   6 6 8                
Relative Loss Factor tanδ /µi 10-6 10KHz <0.25mT 25°C           <10 <4 <8 <10 <10 <10 <7 <7
100kHz 25°C           <10 <15 <30 <60 <60 <110 <3 <3
Hysteresis Material Constant ηB 10-6/mT 10KHz 1.5-3.0mT 25°C <1.5 <1.2 <1.0 <1 <1 <0.5 <0.8 <1.2 <0.5 <0.5 <0.5 <0.6 <0.6
Disaccommodation Factor DF 10-6 10KHz < 0.25mT 25°C   <2 <2.0 <2 <2 <2 <3 <2 <2 <2 <2    
Curie Temperature Tc °C       >220 220 230 240 220 160 140 130 130 110 110 170 170
Resistivity ρ Ωm       3 6.5 4 8 6.4 0.2 0.2 0.35 0.15 0.12 0.1 7.5 7.5
Density d g/cm3       4.8 4.8 4.85 4.9 4.7 4.85 4.85 4.9 4.9 4.9 5.0 4.7 4.7