1/2 x 1/8 x 1/2 Inch Neodymium Rare Earth Block Magnet N42 PN: B828

• Dimensions: 1/2" x 1/8" x 1/2" thick
• Tolerances: ±0.004" x ±0.004" x ±0.004"
• Material: NdFeB, Grade N42
• Plating/Coating: Ni-Cu-Ni (Nickel)
• Magnetization Direction: Thru Thickness
• Weight: 0.136 oz. (3.84 g)
• Pull Force, Case 1: 5.06 lbs
• Pull Force, Case 2: 5.30 lbs
• Surface Field: 6367 Gauss
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 13,200 Gauss
• BHmax: 42 MGOe

Our B828 blocks are the same size as our B882 blocks, but they are magnetized through one of the 1/2" dimensions. They attract each other end-to-end as shown in the bottom picture.

	Pull Force, Case 1 vs. distance: Magnet to a Steel Plate.
	Pull Force, Case 2 vs. distance: Between 2 Steel Plates.
	Pull Force, Case 3 vs. distance: Magnet to Magnet.
	Pull Force, Case 4 vs. distance: Magnet to Magnet Repulsion.
	Click this link for a depiction of the magnetic field.
	View B-H curves for this magnet.