2360 Corporate Circle. Suite 400
Henderson, NV 89074-7739
United States
E-mail: sales@albmagnets.com
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D4x3.5mm Neodymium Magnet, 4 x 3.5mm Disc Magnet
| Item No.: | ALB-D4x3.5mm |
|---|---|
| Material: | NdFeB, Grade N42 |
| Shape: | Disc |
| Dimension: | 4mm dia. x 3.5mm thick |
| Tolerances: | ±0.1mm x ±0.1mm |
| Weight: | 0.330g |
| Grade: | N42 |
| Coating: | Ni-Cu-Ni (Nickel) |
| Pull Force(lbs): | 1.94 lbs (0.88kg) |
| Surface Field(Gauss): | 5730 Gauss |
| Magnetization direction: | Axial (Poles on Flat Ends) |
| Max Operating Temp: | 80°C |
| Product Drawing: |  ·  |
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D5x3mm Neodymium Magnet, 5 x 3mm Disc MagnetOther Grade D4x3.5mm Neodymium Magnets (4mm dia. x 3.5mm thick):
| Grade | Item No. | Product Name | Pull Force | Inquiry |
|---|---|---|---|---|
| N35 | ALB-D4x3.5mm-N35 | D4x3.5mm-N35 Neodymium Magnets | 1.63 lbs (0.74kg) | Inquiry |
| N38 | ALB-D4x3.5mm-N38 | D4x3.5mm-N38 Neodymium Magnets | 1.63 lbs (0.74kg) | Inquiry |
| N40 | ALB-D4x3.5mm-N40 | D4x3.5mm-N40 Neodymium Magnets | 1.77 lbs (0.80kg) | Inquiry |
| N42 | ALB-D4x3.5mm | D4x3.5mm Neodymium Magnets | 1.94 lbs (0.88kg) | Inquiry |
| N45 | ALB-D4x3.5mm-N45 | D4x3.5mm-N45 Neodymium Magnets | 2.06 lbs (0.94kg) | Inquiry |
| N48 | ALB-D4x3.5mm-N48 | D4x3.5mm-N48 Neodymium Magnets | 2.19 lbs (0.99kg) | Inquiry |
| N50 | ALB-D4x3.5mm-N50 | D4x3.5mm-N50 Neodymium Magnets | 2.25 lbs (1.02kg) | Inquiry |
| N52 | ALB-D4x3.5mm-N52 | D4x3.5mm-N52 Neodymium Magnets | 2.31 lbs (1.05kg) | Inquiry |
| N42SH | ALB-D4x3.5mmSH | D4x3.5mmSH Neodymium Magnets | 1.94 lbs (0.88kg) | Inquiry |
High Temperature D4x3.5mm Neodymium Magnets (4mm dia. x 3.5mm thick) are also available:
| Neodymium Material Type | Maximum Operating Temp | Curie Temp |
|---|---|---|
| N (N35-N52) | 176°F (80°C) | 590°F (310°C) |
| NM (N35M-N52M) | 212°F (100°C) | 644°F (340°C) |
| NH (N33H-N52H) | 248°F (120°C) | 644°F (340°C) |
| NSH (N30SH-N50SH) | 302°F (150°C) | 644°F (340°C) |
| NUH (N28UH-N48UH) | 356°F (180°C) | 662°F (350°C) |
| NEH (N28EH-N48EH) | 392°F (200°C) | 662°F (350°C) |
| NAH (N28AH-N35AH) | 428°F (220°C) | 662°F (350°C) |
The Thermal Characteristics listed above are values commonly associated with each magnet's grade or material. Actual performance in your application may vary with other factors, including the shape of the magnet, the Permeance Coefficient or load line, and how it is used in a circuit.
D4x3.5mm Neodymium Magnets (4mm dia. x 3.5mm thick) with other Coating are also available:
| Coating Type | Overall Thickness | Salt Spray Test | Pressure Cooker Test |
|---|---|---|---|
| Ni-Cu-Ni (Nickel) | 15-21 μm | 24 hours | 48 hours |
| NiCu + Black Nickel | 15-21 μm | 24 hours | 48 hours |
| NiCuNi + Epoxy | 20-28 μm | 48 hours | 72 hours |
| NiCuNi + Gold | 16-23 μm | 36 hours | 72 hours |
| NiCuNi + Silver | 16-23 μm | 24 hours | 48 hours |
| Zinc | 7-15 μm | 12 hours | 24 hours |
Each individual layer of Nickel and Copper are 5-7 μm thick. The Gold and Silver Coating layers are 1-2 μm thick. Test results shown to allow comparison between Coating options. Performance in your application under your specific test conditions may vary. Salt Spray testing conducted with a 5% NaCl solution, at 35°C. Pressure Cooker Test (PCT) conducted at 2 atm, 120°C at 100% RH.
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ALB Materials Inc
2360 Corporate Circle. Suite 400
Henderson, NV 89074-7739
Website: www.albmagnets.com
E-mail: sales@albmagnets.com
How to choose and buy a strong neodymium magnet? ALBMagnets is a professional company for strong magnet design and manufacturing,
providing you with reliable N35, N38, N42, N52, N42SH and other grade super neodymium magnets and SmCo rare earth magnets.