B-W5H20L75-N48 Neodymium Magnet, 75x5x20mm Block Magnet

Item No.: ALB-B-W5H20L75-N48
Material: NdFeB, Grade N48
Shape: Block
Dimension: 75x5x20mm
Tolerances: ±0.1mm x ±0.1mm x ±0.1mm
Weight: 56.250g
Grade: N48
Coating: Ni-Cu-Ni (Nickel)
Pull Force(lbs): 68.24 lbs (31.02kg)
Surface Field(Gauss): 6511 Gauss
Magnetization direction: Through Thickness
Max Operating Temp: 80ºC
Product Drawing: PDF drawing of ALB-B-W5H20L75-N48 · JPEG drawing of ALB-B-W5H20L75-N48

Other Grade B-W75H5L20 Neodymium Magnets (75x5x20mm):

Grade Item No. Product Name Pull Force Inquiry
N35 ALB-B-W75H5L20-N35 B-W75H5L20-N35 Neodymium Magnets 50.98 lbs (23.17kg) Inquiry
N38 ALB-B-W75H5L20-N38 B-W75H5L20-N38 Neodymium Magnets 50.98 lbs (23.17kg) Inquiry
N40 ALB-B-W75H5L20-N40 B-W75H5L20-N40 Neodymium Magnets 55.28 lbs (25.13kg) Inquiry
N42 ALB-B-W75H5L20 B-W75H5L20 Neodymium Magnets 60.67 lbs (27.58kg) Inquiry
N45 ALB-B-W75H5L20-N45 B-W75H5L20-N45 Neodymium Magnets 64.40 lbs (29.27kg) Inquiry
N48 ALB-B-W75H5L20-N48 B-W75H5L20-N48 Neodymium Magnets 68.24 lbs (31.02kg) Inquiry
N50 ALB-B-W75H5L20-N50 B-W75H5L20-N50 Neodymium Magnets 70.21 lbs (31.91kg) Inquiry
N52 ALB-B-W75H5L20-N52 B-W75H5L20-N52 Neodymium Magnets 72.20 lbs (32.82kg) Inquiry
N42SH ALB-B-W75H5L20SH B-W75H5L20SH Neodymium Magnets 60.67 lbs (27.58kg) Inquiry

High Temperature B-W75H5L20 Neodymium Magnets (75x5x20mm) 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.  

B-W75H5L20 Neodymium Magnets (75x5x20mm) 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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