Material Characteristics
Material Characteristics
| Material Properties | Symbol | Unit | Measuring Conditions | SFP4 | SFP97 | SFP95 | SFP92 | SFP33 | SFP48 | SFP49 | SFA05 | SFA07 | SFA10 | SFA12 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Freq. | Flux den. | Temp. | ||||||||||||||
| Initial Permeability | μi | ≤10kHz | 0.25mT | 25°C | 2300±25% | 2500±25% | 3300±25% | 1700±25% | 750±25% | 2500±25% | 1500±25% | 5000±25% | 7000±25% | 10000±30% | 12000±30% | |
| Power Loss | Pv | kW/m3 | 25kHz | 200mT | 25 °C | 105 | 125 | - | - | - | - | - | - | - | - | - |
| 100°C | 55 | 50 | - | - | - | - | - | - | - | - | - | |||||
| 100kHz | 200mT | 25 °C | 600 | 600 | 350 | 750 | - | - | - | - | - | - | - | |||
| 100°C | 410 | 250 | 300 | 400 | - | - | - | - | - | - | - | |||||
| 300kHz | 100mT | 25 °C | 660 | 820 | - | - | - | - | 410 | - | - | - | - | |||
| 100°C | 430 | 500 | 410 | - | - | - | 370 | - | - | - | - | |||||
| 500kHz | 50mT | 25 °C | 380 | 400 | - | 450 | - | - | 200 | - | - | - | - | |||
| 100°C | 330 | 300 | 250 | 230 | - | - | 100 | - | - | - | - | |||||
| Saturation Flux Density | Bms | mT | 10KHz | H=1200A/m | 25 °C | 510 | 530 | 530 | 540 | 500 | 450 | 490 | 440 | 400 | 410 | 380 |
| 100°C | 390 | 420 | 410 | 460 | 410 | 320 | 400 | 300 | 200 | 210 | 180 | |||||
| Remanence | Brms | mT | 10KHz | H=1200A/m | 25 °C | 95 | 180 | 85 | 280 | 400 | 180 | 215 | 80 | 150 | 140 | 130 |
| 100°C | 55 | 60 | 60 | 50 | 330 | 150 | 125 | 90 | 110 | 110 | 110 | |||||
| Coercivity | Hc | A/m | 10kHz | H=1200A/m | 25 °C | 14 | 13 | 9.5 | 14 | 25 | 18 | 35 | - | - | - | - |
| 100°C | 8.8 | 6 | 6.5 | 8 | 20 | 12 | 30 | - | - | - | - | |||||
| Relative Loss Factor | tanδ /µi | 10-6 | 10KHz | <0.25mT< /td> | 25°C | - | - | - | - | <60< /td> | <7< /td> | - | <4< /td> | <8< /td> | <10< /td> | <10< /td> |
| 100kHz | 25°C | - | - | - | - | <20< /td> | <3< /td> | - | <15< /td> | <30< /td> | <60< /td> | <60< /td> | ||||
| Hysteresis Material Constant | ηB | 10-6/mT | 10KHz | 1.5-3.0mT | 25°C | <1.2< /td> | <1< /td> | <1.2< /td> | <1.0< /td> | <2.5(100kHz)< /td> | <0.6< /td> | <1.0< /td> | <0.8< /td> | <1.2< /td> | <0.5< /td> | <0.5< /td> |
| Disaccommodation Factor | DF | 10-6 | 10KHz | <0.25mT< /td> | 25°C | <2.0< /td> | <2.0< /td> | <2.0< /td> | <2.0< /td> | 8 | - | <2.0< /td> | <2.0< /td> | <2.0< /td> | <2.0< /td> | <2.0< /td> |
| Curie Temperature | Tc | °C | - | - | - | ≥220 | >230 | ≥215 | ≥280 | ≥250 | ≥170 | ≥250 | ≥140 | ≥130 | ≥130 | ≥110 |
| Resistivity | ρ | Ωm | - | - | - | 6.5 | 4 | 6 | 3 | 2 | 7.5 | 12 | 0.2 | 0.35 | 0.15 | 0.12 |
| Density | d | g/cm 3 | - | - | - | 4.8 | 4.9 | 4.9 | 4.9 | 4.7 | 4.7 | 4.85 | 4.85 | 4.9 | 4.9 | 4.9 |
Material Specifications
| Ferrite Manufacturers | FERRITE MATERIALS CROSS REFERENCE TABLE | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Initial Permeability | 2300 | 2500 | 1700 | 3300 | 750 | 1500 | 2500 | 5000 | 7000 | 10000 | 12000 |
| Speedofer | SFP4 | SFP97 | SFP92 | SFP95 | SFP33 | SFP49 | SFP48 | SFA05 | SFA07 | SFA10 | SFA12 |
| EPCOS/TDK | N87/PC40 | N97 | N92/PC90 | PC95 | M33 | N49 | N48 | N30/T65 | T36/T37/T44 | T38 | T42 |
| COSMO | CF138/CF124 | CF122 | NA | CF190/CF191/CF195 | CF197 | CF199 | |||||
| ACME | P4 | P42 | P46 | NA | P51 | NA | A05 | A07 | A10 | A121 | |
| TDG | TP4 | TP4S | TPW33 | NA | TP5,TP5B | NA | TS5 | TS7 | TS10 | TL13 | |
| FERROXCUBE | 3C30&3C34&3C90 | 3C92 | 3C95 | NA | 3F35 | NA | 3E25/3E27 | 3E27 | 3E5 | 3E6 | |
