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Sintered Ferrite Magnets

As processing advanced technology and machinery, we are able to produce various sizes of block-magnets, disc-magnets, ring-magnets, segment-magnets, cut-magnets and other magnet type.These magnets are of the most advanced level in China.

They are widely used in motor, speaker, electronic component, electric appliances, toys, stationery and health products. The products are of high quality and exported to overseas markets. They enjoy good reputation in domestic and abroad.
Physical Properties
Paramters Unit Values
Curie Temperature ¢XC 450
Maximum Operating Temperature ¢XC 250
Hardness Hv 480 - 580
Density g/cm3 4.8 - 4.9
Relative Recoill Permeability £g rec 1.05 - 1.20
Saturation Field Strength kOe 10
kA/m 800
Temp. Coefficient of Br. %/¢XC -0.2
Temp. Coefficient of iHc %/¢XC 0.3
Tensile Strength N/mm2 < 100
Transverse Rupture Strength N/mm2 300
Magnetic Properties
Grade Remanence Coercivity Intrinsic Coercivity Max. Energy Product
Br (mT) Br (Gs) Hcb
(KA/m)		 Hcb
(Oe)		 Hcj
(KA/m)		 Hcj
(Oe)		 (BH)
max
(KJ/m)		 (BH)
max
(MGOe)
Y10 200-235 2,000-2,350 125-160 1,570-2,010 210-280 2,640-3,520 6.5-9.5 0.8-1.2
Y25 360-400 3,600-4,000 135-170 1,700-2,140 140-200 1,760-2,510 22.5-28.0 2.8-3.5
Y30 370-400 3,700-4,000 175-210 2,200-2,640 180-220 2,260-2,770 26.0-30.0 3.3-3.8
Y30BH 380-400 3,800-4,000 230-275 2,890-3,460 235-290 2,950-3,650 27.0-32.5 3.4-4.1
Y33 410-430 4,100-4,300 220-250 2,770-3,140 225-255 2,830-3,210 31.5-35.0 4.0-4.4
Y35 400-420 4,000-4,200 160-190 2,010-2,380 165-195 2,070-2,450 30.0-33.5 3.8-4.2
 

Magnetic Characteristics Curve

Isotropic: Y10

Semi-Anisotropic: Y25

Anisotropic: Y30

Anisotropic: Y30BH

Anisotropic: Y33

Anisotropic: Y35

 

  
 
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