BC4C Neodymium Magnets, 3/4 inch x 1/4 inch x 3/4 inch thick

Item No.: ALB-BC4C
Material: NdFeB, Grade N42
Shape: Block
Dimension: 3/4" x 1/4" x 3/4" thick
(19.05mm x 6.35mm x 19.05mm thick)
Tolerances: ±0.004"x ±0.004"x ±0.004" (±0.1mmx ±0.1mmx ±0.1mm)
Weight: 17.2832 g
Grade: N42
Coating: Ni-Cu-Ni (Nickel)
Pull Force(lbs): 32.82 lbs
Surface Field(Gauss): 6290.81 Gauss
Magnetization direction: Through Thickness
Max Operating Temp: 80°C
Product Drawing: PDF drawing of ALB-BC4C · JPEG drawing of ALB-BC4C

Other Grade BC4C Neodymium Magnets (3/4" x 1/4" x 3/4" thick):

Grade Item No. Product Name Pull Force Inquiry
N35 ALB-BC4C-N35 BC4C-N35 Neodymium Magnets 27.58 lbs Inquiry
N38 ALB-BC4C-N38 BC4C-N38 Neodymium Magnets 27.58 lbs Inquiry
N40 ALB-BC4C-N40 BC4C-N40 Neodymium Magnets 29.90 lbs Inquiry
N42 ALB-BC4C BC4C Neodymium Magnets 32.82 lbs Inquiry
N45 ALB-BC4C-N45 BC4C-N45 Neodymium Magnets 35.35 lbs Inquiry
N48 ALB-BC4C-N48 BC4C-N48 Neodymium Magnets 37.98 lbs Inquiry
N50 ALB-BC4C-N50 BC4C-N50 Neodymium Magnets 39.60 lbs Inquiry
N52 ALB-BC4C-N52 BC4C-N52 Neodymium Magnets 41.26 lbs Inquiry
N42SH ALB-BC4CSH BC4CSH Neodymium Magnets 32.82 lbs Inquiry

High Temperature BC4C Neodymium Magnets (3/4" x 1/4" x 3/4" 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.  

BC4C Neodymium Magnets (3/4" x 1/4" x 3/4" 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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