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Magnets Home > Products > Neodymium Magnets > Disc > DF7 Neodymium Magnets, 15/16" dia. x 7/16" thick

DF7 Neodymium Magnets, 15/16" dia. x 7/16" thick

DF7 Neodymium Magnets, 15/16" dia. x 7/16" thick Inquiry
Item No.:ALB-DF7
Material:NdFeB, Grade N42
Shape:Disc
Dimension:15/16" dia. x 7/16" thick
Tolerances:±0.004"x ±0.004"
Weight:37.117 g
Grade:N42
Coating:Ni-Cu-Ni (Nickel)
Pull Force(lbs):36.73 lbs
Surface Field(Gauss):4503.3 Gauss
Magnetization direction:Through Thickness
Max Operating Temp:80°C

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Next: DF9 Neodymium Magnets, 15/16" dia. x 9/16" thick

Related Magnets

Other Grade DF7 Neodymium Magnets (15/16" dia. x 7/16" thick):

Grade Item No. Product Name Pull Force Inquiry
N35 ALB-DF7-N35 DF7-N35 Neodymium Magnets 30.87 lbs Inquiry
N38 ALB-DF7-N38 DF7-N38 Neodymium Magnets 30.87 lbs Inquiry
N40 ALB-DF7-N40 DF7-N40 Neodymium Magnets 33.47 lbs Inquiry
N42 ALB-DF7 DF7 Neodymium Magnets 36.73 lbs Inquiry
N45 ALB-DF7-N45 DF7-N45 Neodymium Magnets 39.57 lbs Inquiry
N48 ALB-DF7-N48 DF7-N48 Neodymium Magnets 42.51 lbs Inquiry
N50 ALB-DF7-N50 DF7-N50 Neodymium Magnets 44.33 lbs Inquiry
N52 ALB-DF7-N52 DF7-N52 Neodymium Magnets 46.18 lbs Inquiry
N42SH ALB-DF7SH DF7SH Neodymium Magnets 36.73 lbs Inquiry

High Temperature DF7 Neodymium Magnets (15/16" dia. x 7/16" 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.  

DF7 Neodymium Magnets (15/16" dia. x 7/16" 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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