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2360 Corporate Circle. Suite 400
Henderson, NV 89074-7739
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Magnets Home > Products > Neodymium Magnets > Disc > D-D4H3-N50 Neodymium Magnet, 4x3mm Disc Magnet

D-D4H3-N50 Neodymium Magnet, 4x3mm Disc Magnet

Inquiry

Item No.:	ALB-D-D4H3-N50
Material:	NdFeB, Grade N50
Shape:	Disc
Dimension:	4mm dia. x 3mm thick
Tolerances:	±0.1mm x ±0.1mm
Weight:	0.283g
Grade:	N50
Coating:	Ni-Cu-Ni (Nickel)
Pull Force(lbs):	1.93 lbs (0.88kg)
Surface Field(Gauss):	5908 Gauss
Magnetization direction:	Axial (Poles on Flat Ends)
Max Operating Temp:	80ºC
Product Drawing:	·

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Related Magnets

Other Grade D-D4H3 Neodymium Magnets (4mm dia. x 3mm thick):

Grade	Item No.	Product Name	Pull Force	Inquiry
N35	ALB-D-D4H3-N35	D-D4H3-N35 Neodymium Magnets	1.40 lbs (0.64kg)	Inquiry
N38	ALB-D-D4H3-N38	D-D4H3-N38 Neodymium Magnets	1.40 lbs (0.64kg)	Inquiry
N40	ALB-D-D4H3-N40	D-D4H3-N40 Neodymium Magnets	1.52 lbs (0.69kg)	Inquiry
N42	ALB-D-D4H3	D-D4H3 Neodymium Magnets	1.67 lbs (0.76kg)	Inquiry
N45	ALB-D-D4H3-N45	D-D4H3-N45 Neodymium Magnets	1.77 lbs (0.80kg)	Inquiry
N48	ALB-D-D4H3-N48	D-D4H3-N48 Neodymium Magnets	1.87 lbs (0.85kg)	Inquiry
N50	ALB-D-D4H3-N50	D-D4H3-N50 Neodymium Magnets	1.93 lbs (0.88kg)	Inquiry
N52	ALB-D-D4H3-N52	D-D4H3-N52 Neodymium Magnets	1.98 lbs (0.90kg)	Inquiry
N42SH	ALB-D-D4H3SH	D-D4H3SH Neodymium Magnets	1.67 lbs (0.76kg)	Inquiry

High Temperature D-D4H3 Neodymium Magnets (4mm dia. x 3mm 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.

D-D4H3 Neodymium Magnets (4mm dia. x 3mm 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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