Features: high saturation magnetical induction;
Low coercive force;
High permeability;
Low Loss;
Good temperature stability (-55~130℃);
Magnetic Performance Comparison Between Nanocrystalline and Ferrite Cores:
Basic parameters | Nanocrystalline iron core | Ferrite core |
Saturation magnetic induction BS (T) | 1.25 | 0.5 |
Residual magnetic induction Br (T)(20KHz) | < 0.20 | 0.20 |
Iron loss (20KHz / 0.2T)(W / Kg) | <3.4 | 7.5 |
Iron loss (20KHz / 0.5T)(W / Kg) | <30 | Can't be used |
Iron loss (50KHz / 0.3T)(W / Kg) | <40 | Can't be used |
Permeability (20KHz)(Gs / Oe) | >20000 | 2000 |
Coercivity Hc (A / m) | <1.60 | 6 |
Saturation magnetostriction coefficient(×10-6) | <2 | 4 |
Resistivity (μΩ.㎝) | 80 | 106 |
Curie temperature (℃) | 570 | <200 |
· Specifications
Type No. | Core size(mm) | Finished size (mm) | Effective cross Sectional area(cm2) | Magnetical length(cm) | ||||
od | id | ht | OD | ID | HT | |||
BRJONL-503220 | 50 | 32 | 20 | 53 | 28 | 23 | 1.35 | 12.8 |
BRJONL-644020 | 64 | 40 | 20 | 66 | 37 | 23 | 1.72 | 16.3 |
BRJONL-704020 | 70 | 40 | 20 | 73 | 38 | 24 | 2.16 | 17.3 |
BRJONL-704025 | 70 | 40 | 25 | 72 | 37 | 28 | 2.72 | 17.3 |
BRJONL-805025 | 80 | 50 | 25 | 85 | 44 | 30 | 2.7 | 20.4 |
BRJONL-1006020 | 100 | 60 | 20 | 105 | 56 | 23 | 2.88 | 25.1 |
BRJONL-1005025 | 100 | 50 | 25 | 105 | 44 | 30 | 4.69 | 23.56 |
BRJONL-1056030 | 105 | 60 | 30 | 110 | 56 | 35 | 5.06 | 25.9 |
BRJONL-1206030 | 120 | 60 | 30 | 125 | 57 | 35 | 6.48 | 28.3 |
BRJONL-1207020 | 120 | 70 | 20 | 125 | 67 | 25 | 3.6 | 29.8 |
BRJONL-1207025 | 120 | 70 | 25 | 125 | 67 | 30 | 4.5 | 29.8 |
BRJONL-1207030 | 120 | 70 | 30 | 125 | 67 | 35 | 5.4 | 29.8 |
BRJONL-1207040 | 120 | 70 | 40 | 125 | 67 | 45 | 7 | 29.8 |
BRJONL-1308040 | 130 | 80 | 40 | 136 | 76 | 45 | 7.2 | 33 |
BRJONL-1308050 | 130 | 80 | 50 | 136 | 76 | 55 | 9 | 33 |
BRJONL-1308060 | 130 | 80 | 60 | 136 | 76 | 65 | 11.25 | 33 |
BRJONL-1309050 | 130 | 90 | 50 | 136 | 85 | 55 | 7.5 | 34.5 |
Note: other specifications can be also made in accordance with customer’s demands.
Applications
Nanocrystalline materials have excellent comprehensive magnetic properties, especially applicable in high-power and high-frequency inverter power core. Nanocrystalline core is not only used in inverter welding machine power source, but also widely used in electrolytic plating equipment, new energy car charging pile, induction heating equipment, charging equipment, communication power supply, UPS power supply, X-ray source, laser power supply, frequency converter, etc.