D5A Neodymium Magnets, 5/16 inch dia. x 5/8 inch thick

Item No.: ALB-D5A
Material: NdFeB, Grade N42
Shape: Disc
Dimension: 5/16" dia. x 5/8" thick
(7.94mm dia. X 15.88mm thick)
Tolerances: ±0.004"x ±0.004" (±0.1mmx ±0.1mm)
Weight: 5.8916 g
Grade: N42
Coating: Ni-Cu-Ni (Nickel)
Pull Force(lbs): 12.08 lbs
Surface Field(Gauss): 6402.94 Gauss
Magnetization direction: Through Thickness
Max Operating Temp: 80°C
Product Drawing: PDF drawing of ALB-D5A · JPEG drawing of ALB-D5A

Other Grade D5A Neodymium Magnets (5/16" dia. x 5/8" thick):

Grade Item No. Product Name Pull Force Inquiry
N35 ALB-D5A-N35 D5A-N35 Neodymium Magnets 10.15 lbs Inquiry
N38 ALB-D5A-N38 D5A-N38 Neodymium Magnets 10.15 lbs Inquiry
N40 ALB-D5A-N40 D5A-N40 Neodymium Magnets 11.00 lbs Inquiry
N42 ALB-D5A D5A Neodymium Magnets 12.08 lbs Inquiry
N45 ALB-D5A-N45 D5A-N45 Neodymium Magnets 13.01 lbs Inquiry
N48 ALB-D5A-N48 D5A-N48 Neodymium Magnets 13.98 lbs Inquiry
N50 ALB-D5A-N50 D5A-N50 Neodymium Magnets 14.57 lbs Inquiry
N52 ALB-D5A-N52 D5A-N52 Neodymium Magnets 15.18 lbs Inquiry
N42SH ALB-D5ASH D5ASH Neodymium Magnets 12.08 lbs Inquiry

High Temperature D5A Neodymium Magnets (5/16" dia. x 5/8" 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.  

D5A Neodymium Magnets (5/16" dia. x 5/8" 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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