Application: | Industrial Magnet |
---|---|
Shape: | Disc |
Coating: | Nickel |
Grade: | N35 |
Magnet Type: | Permanent |
Composite: | NdFeB Magnet |
Samples: |
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Customization: |
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Model No
|
Model Name
|
Size
|
Tolerance |
MT2247
|
10 PCS Disc Rare Earth Neodymium Magnets
|
D9.5 x 10 mm thick
|
±0.05 mm |
Surface Treatment | Process | Thickness | Color | SST | PCT |
(μm) | (Hours) | (Hours) | |||
Nickel | Ni | 10 ~ 20 | Bright Silver | > 24 ~ 72 | > 24 ~ 72 |
Ni+Cu+Ni | |||||
Black Nickel | Ni+Cu+Ni | 10 ~ 20 | Bright Black | > 48 ~ 96 | > 48 |
Cr3+Zinc | Zn | 5 ~ 8 | Bright Blue | > 16 ~ 48 | --- |
Cr3+Zn | Shining Color | > 36 ~ 72 | |||
Sn | Ni+Cu+Ni+Sn | 10 ~ 25 | Silver | > 36 ~ 72 | > 48 |
Au | Ni+Cu+Ni+Au | 10 ~ 15 | Gold | > 12 | > 48 |
Ag | Ni+Cu+Ni+Ag | 10 ~ 15 | Silver | > 12 | > 48 |
Epoxy | Epoxy | 10 ~ 20 | Black/ Grey | > 96 | --- |
Ni+Cu+Epoxy | 15 ~ 30 | > 120 | --- | ||
Zn+Epoxy | 15 ~ 25 | > 120 | --- | ||
Passivation | --- | 1 ~ 3 | Dark Grey | Temporary Protection | --- |
Phosphate | --- | 1 ~ 3 | Dark Grey | Temporary Protection | --- |
Curie Temperature (°C)
|
310~380
|
Maximum Working Temperature (°C)
|
80~230
|
Electrical Resistivity (µ.cm)
|
110~170
|
Hardness (Hv)
|
560~580
|
Density (g/cm3)
|
7.4~7.8
|
Relative Recoil Permeability (µrec)
|
1.05
|
Saturation Field Strength (kOe/kA/m)
|
(30-40)/(2,400-3,200)
|
Temp. Coefficient of Br (T.C.α (Br)) (%/°C)
|
-0.12 ~ -0.10
|
Temp. Coefficient of Hcj (T.C.β (Hcj)) (%/°C)
|
-0.6
|
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