12.5x2.5mm Neodymium Disc Magnet

These 12.5x2.5mm neodymium disc magnets 12.5x2.5mm have a surface gauss of ~2000 for use in window & door sensor alarm systems. 

Click on Tabs below for additional information.



Related Products

SKU: 44204-2.5
Disc magnet, D12.5x2.5mm, NdFeb, N42, Full Sintered/Pressed

PRICE BREAKS - The more you buy, the more you save.
Quantity1+10+ 100+ 1000+ 
Price for each$0.67USD$0.57USD$0.47USD$0.36USD
Your savings- 14.93%29.85%46.27%

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Titanium tweezers can be used to handle small disc magnets & position them easily. The Mark I Magnaprobe can respond to as little as 0.3 gauss & will detect weaknesses in magnetic shielding. The Mark II Magnaprobe is a fast & convenient way to confirm magnet are positioned with their poles pointing correctly.



You can open or download a copy of the Hysteresis Graph or ROHS certification that applies to all our N42 grade magnets.

Field Strength (Gauss) & Pull Force in Pounds & Kilograms at 5 Distances Above Magnet
SKU: 44204-2.5      Size:  12.5 × 2.5mm
Distance (mm): 0 0.1 1 10 100
Gauss 2451.2 2429.4 2182.0 306.4 0.6
Lb 4.41 4.33 3.49 0.07 0.00
Kg 2.00 1.97 1.59 0.03 0.00

 

  • N42 grade: ~13,200 gauss (1.3T)
  • magnetized through the thickness
  • nickel-copper-nickel coated
  • size tolerance for dimensions <10mm: +/- 0.05mm
  • size tolerance for dimensions >10mm: +/- 0.1mm
  • magnet strength variance piece to piece: <2%
  • 80C maximum operating temperature