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Henderson, NV 89074-7739
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E-mail: sales@albmagnets.com
- MMS-E-X0 Standard Mounting Magnets
- C-D12.7H25.4-N45 Neodymium Magnet, 12.7x25.4mm Cylinder Magnet
- C-D12H12-N45 Neodymium Magnet, 12x12mm Cylinder Magnet
- DB1 Neodymium Magnets, 11/16 inch dia. x 1/16 inch thick
- DC6 Neodymium Magnets, 3/4 inch dia. x 3/8 inch thick
- R428 Neodymium Magnets, 1/4 inch od x 1/8 inch id x 1/2 inch thick
- D11 Neodymium Magnets, 1/16 inch dia. x 1/16 inch thick
- DY8E Neodymium Magnets, 2 1/2 inch dia. x 7/8 inch thick
- D77 Neodymium Magnets, 7/16 inch dia. x 7/16 inch thick
- B888PC-PUR Plastic Coated Neodymium Magnets
DD4 Neodymium Magnets, 13/16 inch dia. x 1/4 inch thick
Item No.: | ALB-DD4 |
---|---|
Material: | NdFeB, Grade N42 |
Shape: | Disc |
Dimension: | 13/16" dia. x 1/4" thick (20.64mm dia. X 6.35mm thick) |
Tolerances: | ±0.004" x ±0.004" (±0.1mm x ±0.1mm) |
Weight: | 0.562 oz. (15.9 g) |
Grade: | N42 |
Coating: | Ni-Cu-Ni (Nickel) |
Pull Force(lbs): | 20.86 lbs |
Surface Field(Gauss): | 3457 Gauss |
Magnetization direction: | Axial (Poles on Flat Ends) |
Max Operating Temp: | 80°C |
Product Drawing: | ![]() ![]() |
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Next: DD8 Neodymium Magnets, 13/16 inch dia. x 1/2 inch thick
Related Magnets
Other Grade DD4 Neodymium Magnets (13/16" dia. x 1/4" thick):
Grade | Item No. | Product Name | Pull Force | Inquiry |
---|---|---|---|---|
N35 | ALB-DD4-N35 | DD4-N35 Neodymium Magnets | 15.29 lbs | Inquiry |
N38 | ALB-DD4-N38 | DD4-N38 Neodymium Magnets | 15.29 lbs | Inquiry |
N40 | ALB-DD4-N40 | DD4-N40 Neodymium Magnets | 16.58 lbs | Inquiry |
N42 | ALB-DD4 | DD4 Neodymium Magnets | 18.19 lbs | Inquiry |
N45 | ALB-DD4-N45 | DD4-N45 Neodymium Magnets | 19.60 lbs | Inquiry |
N48 | ALB-DD4-N48 | DD4-N48 Neodymium Magnets | 21.05 lbs | Inquiry |
N50 | ALB-DD4-N50 | DD4-N50 Neodymium Magnets | 21.95 lbs | Inquiry |
N52 | ALB-DD4-N52 | DD4-N52 Neodymium Magnets | 22.87 lbs | Inquiry |
N42SH | ALB-DD4SH | DD4SH Neodymium Magnets | 18.19 lbs | Inquiry |
High Temperature DD4 Neodymium Magnets (13/16" dia. x 1/4" 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.
DD4 Neodymium Magnets (13/16" dia. x 1/4" 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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providing you with reliable N35, N38, N42, N52, N42SH and other grade super neodymium magnets and SmCo rare earth magnets.