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D6x2.5mm N35H Axial Disc Magnets for Linear Position Sensor

/D6x2.5mm N35H Axial Disc Magnets for Linear Position Sensor
  • D6x2.5mm N35H Axial Disc Magnets for Linear Position Sensor

D6x2.5mm N35H Axial Disc Magnets for Linear Position Sensor,  Sintered NdFeB Disc Magnets, Rare Earth Neodymium Sensor Magnet, Linear Position Sensor Magnets

Axial Disc Magnets Part No.: HSND-0062.5-35H
Magnetisation Grade: N35H
Material: Sintered Neodymium-Iron-Boron (Rare Earth NdFeB)
Plating / Coating: Nickel (Ni-Cu-Ni)
Magnet Shape: Disc, Disk, Round
Magnet Size: D6 x 2.5 mm
Magnetisation Direction: Axial
Residual Magnetic Flux Density (Br): 1170-1220 mT (11.7-12.2 kGs)
Energy Density (BH)max: 263-287 KJ/m³ (33-36 MGOe)
Coercivity Force (Hcb): ≥ 868 kA/m ( ≥ 10.9 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 1353 kA/m ( ≥ 17 kOe)
Maximum Operation Temperature: 120 °C
Tolerance: ±0.05 mm

Magnet used with austriamicro systems Magnetic Rotary Encoder, magnets are available ex-warehouse.

Note that NdFeB magnets are covered by various patents (held by Neomax) and only licensed materials are allowed into the USA. There are a number of sources that do sell unlicensed products to those willing to purchase them. HSMAG does not sell unlicensed materials.

Neodymium magnet Key Benefits
Very high strength
Relatively low cost (by weight about 20 times Ferrite magnets, by “Dollars per BHmax” about 1.5 times Ferrite magnets).
Relatively easy to machine, compared to Alnico and SmCo magnets.

NdFeB Magnets Key Challenges
Properties deteriorate rapidly at temperatures in excess of about 150°C (depending on grade and permeance coefficient magnet is operating at).
Most grades of NdFeB magnets need to be protected against oxidation – by coating or plating the magnets.

 

 

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