B20x15x5mm Neodymium Magnet, 20 x 15 x 5mm Block Magnet

Item No.: B20x15x5mm
Material: NdFeB, Grade N42
Shape: Block
Dimension: 20x15x5mm
Tolerances: ±0.1mm x ±0.1mm x ±0.1mm
Weight: 1.500g
Grade: N42
Coating: Ni-Cu-Ni (Nickel)
Pull Force(lbs): 13.57 lbs (6.17kg)
Surface Field(Gauss): 3072
Magnetization direction: Through Thickness
Max Operating Temp: 80°C
Product Drawing: PDF drawing of B20x15x5mm · JPEG drawing of B20x15x5mm

Other Grade B20x15x5mm Neodymium Magnets (20x15x5mm):

Grade Item No. Product Name Pull Force Inquiry
N35 ALB-B20x15x5mm-N35 B20x15x5mm-N35 Neodymium Magnets 11.40 lbs (5.18kg) Inquiry
N38 ALB-B20x15x5mm-N38 B20x15x5mm-N38 Neodymium Magnets 11.40 lbs (5.18kg) Inquiry
N40 ALB-B20x15x5mm-N40 B20x15x5mm-N40 Neodymium Magnets 12.36 lbs (5.62kg) Inquiry
N42 ALB-B20x15x5mm B20x15x5mm Neodymium Magnets 13.57 lbs (6.17kg) Inquiry
N45 ALB-B20x15x5mm-N45 B20x15x5mm-N45 Neodymium Magnets 14.40 lbs (6.55kg) Inquiry
N48 ALB-B20x15x5mm-N48 B20x15x5mm-N48 Neodymium Magnets 15.26 lbs (6.94kg) Inquiry
N50 ALB-B20x15x5mm-N50 B20x15x5mm-N50 Neodymium Magnets 15.70 lbs (7.14kg) Inquiry
N52 ALB-B20x15x5mm-N52 B20x15x5mm-N52 Neodymium Magnets 16.14 lbs (7.34kg) Inquiry
N42SH ALB-B20x15x5mmSH B20x15x5mmSH Neodymium Magnets 13.57 lbs (6.17kg) Inquiry

High Temperature B20x15x5mm Neodymium Magnets (20x15x5mm) 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.  

B20x15x5mm Neodymium Magnets (20x15x5mm) 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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