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Magnets Home > Products > Neodymium Magnets > Disc > DC4 Neodymium Magnets, 3/4" dia. x 1/4" thick

DC4 Neodymium Magnets, 3/4" dia. x 1/4" thick

DC4 Neodymium Magnets, 3/4" dia. x 1/4" thick Inquiry
Item No.:ALB-DC4
Material:NdFeB, Grade N42
Shape:Disc
Dimension:3/4" dia. x 1/4" thick
Tolerances:±0.004" x ±0.004"
Weight:0.479 oz. (13.6 g)
Grade:N42
Coating:Ni-Cu-Ni (Nickel)
Pull Force(lbs):18.82 lbs
Surface Field(Gauss):3661 Gauss
Magnetization direction:Axial (Poles on Flat Ends)
Max Operating Temp:80°C

Previous: DC3-N52 Neodymium Magnets, 3/4" dia. x 3/16" thick

Next: DC4-N52 Neodymium Magnets, 3/4" dia. x 1/4" thick

Related Products

Other Grade DC4 Neodymium Magnets (3/4" dia. x 1/4" thick):

Grade Item No. Product Name Pull Force Inquiry
N35 ALB-DC4-N35 DC4-N35 Neodymium Magnets 14.11 lbs Inquiry
N38 ALB-DC4-N38 DC4-N38 Neodymium Magnets 14.11 lbs Inquiry
N40 ALB-DC4-N40 DC4-N40 Neodymium Magnets 15.30 lbs Inquiry
N42 ALB-DC4 DC4 Neodymium Magnets 16.79 lbs Inquiry
N45 ALB-DC4-N45 DC4-N45 Neodymium Magnets 18.09 lbs Inquiry
N48 ALB-DC4-N48 DC4-N48 Neodymium Magnets 19.43 lbs Inquiry
N50 ALB-DC4-N50 DC4-N50 Neodymium Magnets 20.26 lbs Inquiry
N52 ALB-DC4-N52 DC4-N52 Neodymium Magnets 21.11 lbs Inquiry
N42SH ALB-DC4SH DC4SH Neodymium Magnets 16.79 lbs Inquiry

High Temperature DC4 Neodymium Magnets (3/4" 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.  

DC4 Neodymium Magnets (3/4" 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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