Ohmalloy Material Co.,Ltd
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0.025mm to 0.035mm thickness 1K107 strip available
Application area:
1.Switch power transformer and Pulse transformer iron core
2.Power transformer , precision current mutual inductor iron core
3.Leakage protection switch mutual inductor iron core
4.Filtering inductance, storage inductance, the electric reactor iron core
5.EMC common mode inductance and differential mode inductance iron core
6.Saturable reactor, magnetic amplifier, Spike killer, Pulse Compressor iron core and magnetic bead
7.Enameled resistance wire
8.Silicon rubber Insulated resistance wire.
Features:
1.High Saturation magnetic induction - reduce transformer volume
2.High magnetic permeability low coercive force- improve transformer efficiency, mutual inductor sensitivity, reduce coil distribution parameters
3.Low loss- reduce transformer temperature rise
4.Good temperature stability - under 130℃ for long-term work
5.Lower price - has the best cost performance of all the metal soft magnetic material
Physical properties of Nanocrystalline alloy
| Saturation magnetic induction (Bs) | 1.25T | Hardness (Hv) | 880 |
| Curie temperature (TC) | 560℃ | Density (d) | 7.2g/cm3 |
| Crystallizing temperature( Tx) | 510℃ | Resistivity(r) | 90mW-cm |
| Saturation magnetostriction coefficient (ls) | <2×10-6 | Continuous operating temperature range | -55－130℃ |
Magnetic properties of Nanocrystalline alloy
| Product Type | Transverse magnetic annealing | No magnetic annealing | Longitudinal magnetic annealing |
| Initial permeability | >2×104 | >8×104 | >1×104 |
| Maximum permeability | >5×104 | >45×104 | >50×104 |
| Residual magnetic induction | <0.2 T | 0.6 T | >0.85 T |
| Coercive force | <1.8A/m | <0.8A/m | <1.8A/m |
| Iron loss P(20kHz, 0.5T) | <30W/kg | <50 W/kg | <90W/kg |
| Iron loss P(100kHz, 0.3T) | <150W/kg | <150 W/kg | <300W/kg |
| Iron loss rate(-55℃ –125℃ ) | <15% | <15% | <15% |
The comparison between Nanocrystalline alloy and Permalloy iron alloy
| Basic parameter | Superfine crystal iron core | Permalloy iron alloy (1J85) | Ferrite |
| Saturation magnetic induction Bs(T) | 1.25 | 0.75 | 0.5 |
| Residual magnetic induction Br(T) | 0.2～0.9 | - | 0.20 |
| Saturation magnetostriction coefficient (×10-6) | <2 | <2 | 4 |
| Resistivity (mW-cm ) | 80 | 56 | 106 |
| Curie temperature ∕℃ | 570 | 400 | <200 |
| Initial permeability μ0(Gs/Oe) | ＞8×104 | ＞8×104 | - |
| Maximum permeability μm(Gs/Oe) | ＞50×104 | 60×104 | 4×104 |
| Coercive force Hc (A/m) | <2 | <1 | 6 |
| Iron loss (20KHz,0.5T) (W/Kg) | <35 | - | No |
| Iron loss (50KHz,0.3T) (W/Kg) | <50 | - | No |
FAQ
1. What's the minimum quantity customer can order?
If we have your size in stock, we can provide any quantity you want.
If we do not have, for spool wire, we can produce 1 spool, about 2-3kg. For coil wire, 25kg.
2. How can you pay for small sample amount?
We have account, wire transfer for sample amount also ok.
3. Customer do not have express account. How will us arrange the delivery for sample order?
Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.
4. What's our payment terms?
We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.
5. Do you provide free samples?
If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.
6. What's our working time?
We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.