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Magnets Home > Products > Neodymium Magnets > Cylinder > D4E Neodymium Magnets, 1/4" dia. x 7/8" thick

D4E Neodymium Magnets, 1/4" dia. x 7/8" thick

D4E Neodymium Magnets, 1/4" dia. x 7/8" thick Inquiry
Item No.:ALB-D4E
Material:NdFeB, Grade N42
Shape:Cylinder
Dimension:1/4" dia. x 7/8" thick
Tolerances:±0.004" x ±0.004"
Weight:0.186 oz. (5.28 g)
Grade:N42
Coating:Ni-Cu-Ni (Nickel)
Pull Force(lbs):4.09 lbs
Surface Field(Gauss):6534 Gauss
Magnetization direction:Axial (Poles on Flat Ends)
Max Operating Temp:80°C

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Next: D4X0 Neodymium Magnets, 1/4" dia. x 1" thick

Related Magnets

Other Grade D4E Neodymium Magnets (1/4" dia. x 7/8" thick):

Grade Item No. Product Name Pull Force Inquiry
N35 ALB-D4E-N35 D4E-N35 Neodymium Magnets 8.79 lbs Inquiry
N38 ALB-D4E-N38 D4E-N38 Neodymium Magnets 8.79 lbs Inquiry
N40 ALB-D4E-N40 D4E-N40 Neodymium Magnets 9.53 lbs Inquiry
N42 ALB-D4E D4E Neodymium Magnets 10.46 lbs Inquiry
N45 ALB-D4E-N45 D4E-N45 Neodymium Magnets 11.26 lbs Inquiry
N48 ALB-D4E-N48 D4E-N48 Neodymium Magnets 12.10 lbs Inquiry
N50 ALB-D4E-N50 D4E-N50 Neodymium Magnets 12.62 lbs Inquiry
N52 ALB-D4E-N52 D4E-N52 Neodymium Magnets 13.14 lbs Inquiry
N42SH ALB-D4ESH D4ESH Neodymium Magnets 10.46 lbs Inquiry

High Temperature D4E Neodymium Magnets (1/4" dia. x 7/8" 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.  

D4E Neodymium Magnets (1/4" dia. x 7/8" 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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