B-W3.7H3L7.2-N50 Neodymium Magnet, 7.2x3.7x3mm Block Magnet

Item No.: ALB-B-W3.7H3L7.2-N50
Material: NdFeB, Grade N50
Shape: Block
Dimension: 7.2x3.7x3mm
Tolerances: ±0.1mm x ±0.1mm x ±0.1mm
Weight: 0.599g
Grade: N50
Coating: Ni-Cu-Ni (Nickel)
Pull Force(lbs): 2.81 lbs (1.28kg)
Surface Field(Gauss): 5223 Gauss
Magnetization direction: Through Thickness
Max Operating Temp: 80ºC
Product Drawing: PDF drawing of ALB-B-W3.7H3L7.2-N50 · JPEG drawing of ALB-B-W3.7H3L7.2-N50

Other Grade B-W7.2H3.7L3 Neodymium Magnets (7.2x3.7x3mm):

Grade Item No. Product Name Pull Force Inquiry
N35 ALB-B-W7.2H3.7L3-N35 B-W7.2H3.7L3-N35 Neodymium Magnets 2.04 lbs (0.93kg) Inquiry
N38 ALB-B-W7.2H3.7L3-N38 B-W7.2H3.7L3-N38 Neodymium Magnets 2.04 lbs (0.93kg) Inquiry
N40 ALB-B-W7.2H3.7L3-N40 B-W7.2H3.7L3-N40 Neodymium Magnets 2.21 lbs (1.00kg) Inquiry
N42 ALB-B-W7.2H3.7L3 B-W7.2H3.7L3 Neodymium Magnets 2.43 lbs (1.10kg) Inquiry
N45 ALB-B-W7.2H3.7L3-N45 B-W7.2H3.7L3-N45 Neodymium Magnets 2.57 lbs (1.17kg) Inquiry
N48 ALB-B-W7.2H3.7L3-N48 B-W7.2H3.7L3-N48 Neodymium Magnets 2.73 lbs (1.24kg) Inquiry
N50 ALB-B-W7.2H3.7L3-N50 B-W7.2H3.7L3-N50 Neodymium Magnets 2.81 lbs (1.28kg) Inquiry
N52 ALB-B-W7.2H3.7L3-N52 B-W7.2H3.7L3-N52 Neodymium Magnets 2.89 lbs (1.31kg) Inquiry
N42SH ALB-B-W7.2H3.7L3SH B-W7.2H3.7L3SH Neodymium Magnets 2.43 lbs (1.10kg) Inquiry

High Temperature B-W7.2H3.7L3 Neodymium Magnets (7.2x3.7x3mm) 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-W7.2H3.7L3 Neodymium Magnets (7.2x3.7x3mm) 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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