| Nanocrystalline Ribbons |  |
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Nanocrystalline Iron-based ribbons
Composition (at%): 0-0.5 Co, 1 Cu, 3 Nb, 22.5 Si+B, bal. Fe
Ribbon Dimension: thickness 25-4 um. width 2-60 mm
General Properties:
High saturation induction & high permeability
Low coercivity & low loss
Good temperature stability over -55~130 oC
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Application areas
Used to replace amorphous cobalt-based alloys, silicon steel sheet, ferrite, Permalloy, etc., to make common mode chokes, differential mode filter inductors, high-frequency switching power supply, high-frequency inverters, zero-sequence transformers, magnetic amplifiers, highly sensitive magnetic heads, leakage protection switches, etc.
Physical properties
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Saturation induction Bs
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1.25 T
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Vickers hardness Hv
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880 kg/mm2 |
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Curie temperature Tc
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560 oC
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Density d
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7.2 g/cm3
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Crystallization temperature Tx
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510 oC
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Resistivity ρ
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130 µΩ·cm
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Saturation magnetostriction coefficient λs
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2×10-6
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Stable temperature range
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-55 - 130 oC
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Typical magnetic properties
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Product
Name
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Saturation
Induction
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Coercivity
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Remanence
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Permeability μ (103)
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Iron Loss (W/kg)
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B800 (Tesla)
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HC (A/m)
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Br/BS
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Initial
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f = 50 Hz
H = 50 mOe
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maximum
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P1.0/1k
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P0.4/10k
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P0.5/20k
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P0.2/100k
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NR-01
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≥1.25
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≤ 0.75
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0.6
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≥ 60
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250 - 600
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≥ 600
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≤ 1.1
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≤ 5
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≤ 30
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≤ 80
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NR-02
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≥1.2
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≤ 0.5
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0.6 - 0.7
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~ 120
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≥ 250
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≥ 1,100
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≤ 1.0
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≤ 6
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≤ 30
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≤ 110
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NR-03
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≥1.1
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≤ 0.6
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0.6
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~ 200
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≥ 250
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≥ 600
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≤ 2.1
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≤ 5
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≤ 30
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≤ 70
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NR-04
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≥1.2
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≤ 2.5
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0.6 - 0.7
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~ 20
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~ 100
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~ 200
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≤ 3
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≤ 12
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≤ 50
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≤ 160
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Typical applications
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Product Name
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Performance
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Applications
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| NR-01 |
High saturation induction |
Precise current transformers, high power/medium-to-high frequency transformers, pulse transformers, high-frequency reactors, inverted power supplies, and switch power supplies. |
| NR-02 |
Relatively high initial permeability
Low coercivity |
Magnetic amplifiers, pulse compressors, common mode noise chokes.
Also used as output filter inductors, smoothing inductors, chokes, energy storage inductors, and differential mode inductors in high-frequency switching power supplies and energy-saving lamp ballasts. |
| NR-03 |
High initial permeability |
Leakage protection devices, zero-sequence current transformers |
| NR-04 |
High saturation
Low initial permeability |
Spike suppressors |
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