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Magnets Home > Products > Neodymium Magnets > Block & Bar > B4201 Neodymium Magnets, 1/4" x 1/8" x 1/32" thick

B4201 Neodymium Magnets, 1/4" x 1/8" x 1/32" thick

B4201 Neodymium Magnets, 1/4" x 1/8" x 1/32" thick Inquiry
Item No.:ALB-B4201
Material:NdFeB, Grade N42
Shape:Block
Dimension:1/4" x 1/8" x 1/32" thick
Tolerances:±0.004" x ±0.004" x ±0.004"
Weight:0.00423 oz. (0.120 g)
Grade:N42
Coating:Ni-Cu-Ni (Nickel)
Pull Force(lbs):0.38 lbs
Surface Field(Gauss):2186 Gauss
Magnetization direction:Through Thickness
Max Operating Temp:80°C

Previous: B331 Neodymium Magnets, 3/16" x 3/16" x 1/16" thick

Next: B421 Neodymium Magnets, 1/4" x 1/8" x 1/16" thick

Related Magnets

Other Grade B4201 Neodymium Magnets (1/4" x 1/8" x 1/32" thick):

Grade Item No. Product Name Pull Force Inquiry
N35 ALB-B4201-N35 B4201-N35 Neodymium Magnets 0.47 lbs Inquiry
N38 ALB-B4201-N38 B4201-N38 Neodymium Magnets 0.47 lbs Inquiry
N40 ALB-B4201-N40 B4201-N40 Neodymium Magnets 0.51 lbs Inquiry
N42 ALB-B4201 B4201 Neodymium Magnets 0.56 lbs Inquiry
N45 ALB-B4201-N45 B4201-N45 Neodymium Magnets 0.60 lbs Inquiry
N48 ALB-B4201-N48 B4201-N48 Neodymium Magnets 0.65 lbs Inquiry
N50 ALB-B4201-N50 B4201-N50 Neodymium Magnets 0.67 lbs Inquiry
N52 ALB-B4201-N52 B4201-N52 Neodymium Magnets 0.70 lbs Inquiry
N42SH ALB-B4201SH B4201SH Neodymium Magnets 0.56 lbs Inquiry

High Temperature B4201 Neodymium Magnets (1/4" x 1/8" x 1/32" 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.  

B4201 Neodymium Magnets (1/4" x 1/8" x 1/32" 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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