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Mini/Micro magnets

Description: We are good at mini magnet, meaning very small and precise magnet. The materials we can supply are Neodymium, SmCo, Alnico and Ferrite magnets, and the products are widely used in watch, mobile telephone vibration motor, communication, medical, sensor, meter and other applications.

Tel:: +86 571 82839133

E-mail:: info@smi-mag.com

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Model No. NS201511105546345

Size range
Comparision
Application

Shape	Size
Shape	Min Outer Diameter/Length	Min Inner Diameter/Width	Min Thickness/Height
Ring	0.75mm	0.15mm	0.25mm
Disc	0.25mm		0.25mm
Block	0.5mm	0.5mm	0.25mm
Note: 1. We can make various shape according to customers’ requirements. 2. We can hold the tolerance within 0.02mm. 3. Coating: nickel, zinc, gold, silver, epoxy, parylene. 4. Magnetization direction: Axial, diametrical.

Material	NdFeB	SmCo	AlNiCo	FeCrCo	Ferrite
Magnetic Energy	30-52 MGOe	16-32 MGOe	1.2-10 MGOe	0.1-6 MGOe	1-3.5 MGOe
Max Working Temp.	80-200℃	350℃	550℃	400℃	250℃
Production Method	Sintered	Sintered	Cast or Sintered	Cast	Sintered
Surface Coating	Yes	No	No	No	No
Machining Property	Middle	Low	Middle	High	Low
Cost	High	High	Middle	Middle	Low
Main Application	Motor Speaker Meter Sensor MRI Separator etc.	Aviation Spaceflight Motor Sensor Medical instrument etc.	Sensor Musical instrument Speaker Meter Motor etc.	Sensor Meter Speaker Motor etc.	Motor Speaker Toy Craft etc.

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