SmCo Disc Magnets

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SmCo Disc Magnets

Samarium Cobalt (SmCo) is the other Rare Earth magnet!
SmCo is the alternative to Neodymium magnets when a more stable output over a much wider temperature range is required.
The SmCo magnets can be used from temperatures nearly as low as absolute zero (-273°C) up to +350°C. Although Neodymium magnets provide stronger fields at room temperature, SmCo starts to outperform at temperatures above +150°C.


With superior temperature coefficients than Neodymium, magnetic output from SmCo varies less over a change in temperature, making it an ideal choice for temperature sensitive applications such as sensors and loudspeakers where stability of the field during operation is important.
SmCo also has a very good intrinsic coercivity allowing it to be used in applications where high external demagnetising forces (and high temperatures) may be present, such as the starting of an electric motor.
SmCo has very little free iron in its structure meaning it offers excellent corrosion resistance to water. It very rarely requires protective coating (e.g. a nickel coating to allow soldering to a printed circuit board). Because of its performance characteristics SmCo is often used instead of Neodymium in mission critical applications such as aerospace and military applications.
SmCo is a brittle material and could break, chip, snap or possibly even shatter if mishandled. Care should be taken when assembling with the SmCo (e.g. wear safety glasses).
Standard manufacturing tolerance is +/- 0.1mm on all dimensions.
If you cannot find the dimensions you require, please get in touch.

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159

Part No. Size Grade Quantity Pull (kg) Price Buy
EP305SM
1mm dia x 1mmA
SmCo26
Pack of 50 Magnets
EP305SM 1mm dia x 1mmA SmCo26 Pack of 50 Magnets 0.04Kg £4.00
EP303SM
2mm dia x 1mmA
SmCo26
Pack of 50 Magnets
EP303SM 2mm dia x 1mmA SmCo26 Pack of 50 Magnets 0.07Kg £5.00
EP400SM
3mm dia x 1mmA
SmCo26
Pack of 50 Magnets
EP400SM 3mm dia x 1mmA SmCo26 Pack of 50 Magnets 0.11Kg £7.50
EP100SM
4mm dia x 5mmA
SmCo26
Pack of 20 Magnets
EP100SM 4mm dia x 5mmA SmCo26 Pack of 20 Magnets 0.76Kg £6.60
EP306SM
6mm dia x 1mmA
SmCo26
Pack of 20 Magnets
EP306SM 6mm dia x 1mmA SmCo26 Pack of 20 Magnets 0.23Kg £5.40
EP643SM
6mm dia x 3mmA
SmCo26
Pack of 10 Magnets
EP643SM 6mm dia x 3mmA SmCo26 Pack of 10 Magnets 0.69Kg £4.70
EP644SM
6mm dia x 6mmA
SmCo26
Pack of 10 Magnets
EP644SM 6mm dia x 6mmA SmCo26 Pack of 10 Magnets 1.37Kg £6.40
EP323SM
8mm dia x 2mmA
SmCo26
Pack of 10 Magnets
EP323SM 8mm dia x 2mmA SmCo26 Pack of 10 Magnets 0.61Kg £4.70
EP307SM
10mm dia x 1mmA
SmCo26
Pack of 10 Magnets
EP307SM 10mm dia x 1mmA SmCo26 Pack of 10 Magnets 0.38Kg £5.10
EP403SM
10mm dia x 2mmA
SmCo26
Pack of 10 Magnets
EP403SM 10mm dia x 2mmA SmCo26 Pack of 10 Magnets 0.76Kg £6.10
EP645SM
10mm dia x 5mmA
SmCo26
Pack of 5 Magnets
EP645SM 10mm dia x 5mmA SmCo26 Pack of 5 Magnets 1.91Kg £5.00
EP348SM
10mm dia x 10mmA
SmCo26
Pack of 2 Magnets
EP348SM 10mm dia x 10mmA SmCo26 Pack of 2 Magnets 3.82Kg £4.06
EP656SM
12mm dia x 3mmA
SmCo26
Pack of 5 Magnets
EP656SM 12mm dia x 3mmA SmCo26 Pack of 5 Magnets 1.37Kg £4.40
EP406SM
20mm dia x 3mmA
SmCo26
Pack of 2 Magnets
EP406SM 20mm dia x 3mmA SmCo26 Pack of 2 Magnets 2.29Kg £5.94

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