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China Supplier Ring Ferrite Magnets

/China Supplier Ring Ferrite Magnets
  • Ring Ferrite Magnets

China Supplier Ring Ferrite Magnets, Shaw Magnets, Strontium Ferrite Anisotropic / Isotropic Magnets, Ring Ceramic Permanent Magnets, Hard Ferrite Ring Magnets, Loundspeaker Sintered Ferrite Magnet, Ceramic Ring Magnets Factory

Ring Ferrite Magnets Features:
Part No.: HS-FMR
Material: Ferrite/Ceramic magnet
Shape: ring
Grade:Y30,Y25, Y35, Y33, Y40, C5, C8, C1, etc.
Magnetic properties: Hcj,Hcb,BH,Br,BHmax,working temperature
Tolerance: ±2%
Plating : None
Operating Temp(Max).: 80℃ (176℉)
Maximum Br: 3850Guass
Magnetized Direction: Magnetized through thickness Other size and grade are available on request
Application:widely used in sensor,speakers,reed switches,motor,rotor,wind turbines/generators,AC/DC motors,drive motors,servo motors etc
Magnetization directions:by Axial or by radial

Ferrite Ring magnets can be used in a wide range of applications due to their high coercivity and low cost.
Common applications include reed switches, loud speakers, security systems, audio and television and also holding devices such as pot magnets.
These popular magnets offer a medium level of magnetism and a good depth of field.
Ferrite has an excellent resistance to demagnetisation/corrosion, however care must be taken when handling the product due to its brittleness.

External D Opposite sex product: D± 2% D ± 0.1mm D±0.1mm
Homosexual products: D±1.5% and D ± 2%
Inside diameter d Opposite sex product:d±2% d±0.1mm
Homosexual products:d±1.5%and d±2%
ThicknessH H±1.0mm H±0.1mm

Ceramic or Ferrite magnets are made from Barium or Strontium Oxide, and Ferric Oxide. Strontium Ferrite’s are a powerful and cost effective option and are available in a wide range of shapes and sizes. Barium Ferrite is notably less powerful than Strontium Ferrite. Ceramic magnets will operate at up to 250˚C before losing their magnetism.

Ferrite divided barium ferrite (BaO · 6Fe2O3) and strontium ferrite (SrO · 6Fe2O3). High resistivity, is a semiconductor type, so a small eddy current losses, the coercive force, not the merits of demagnetization can be effectively applied in the air gap in the magnetic circuit, particularly suitable for small generators and permanent magnet motors.
The major products anisotropic ferrite permanent magnet series. They can be used to make the permanent ignition motors, permanent magnet motors, permanent magnet concentrator, magnetic lifting heads, magnetic thrust bearing, magnetic separator, speakers, microwave devices, magnetic sheet, and hearing aids.

 

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  • Customized is Available
  • Affordable price
  • Quality guaranteed
  • T/T or L/C accepted
  • Other payment accepted
  • Fast shipping, Worldwide delivery
  • 24-Hours excellent customer service
  • Offer free magnetic solution
  • Bulk discounts for larger orders

Product Range

Imperial

Model. No. Dimensions (mm)D*d*T Model. No. Dimensions (mm)D*d*T
FMR-001 D8 × d4 × 3 FMR-002 D10.2 × d6 × 9
FMR-003 D12 × d4 × 12 FMR-004 D12 × d4 × 24
FMR-005 D13 × d4.5 × 20 FMR-006 D14.6 × d8 × 12
FMR-007 D15 × d4.5 × 20 FMR-008 D15 × d4.5 × 28
FMR-009 D16 × d7 × 4 FMR-010 D18 × d5 × 8
FMR-011 D18 × d7 × 6 FMR-012 D18 × d6 × 24
FMR-013 D18 × d6 × 40 FMR-014 D18.3 × d6 × 32
FMR-015 D19 × d6 × 30 FMR-016 D21 × d7 × 32
FMR-017 D22 × d8 × 45 FMR-018 D23.4 × d11 × 8
FMR-019 D23.4 × d12 × 9 FMR-020 D25 × d8 × 50
FMR-021 D25.6 × d17 × 20 FMR-022 D26 × d10 × 9
FMR-023 D28 × d8 × 8 FMR-024 D30 × d10 × 60
FMR-025 D32 × d18 × (5-8) FMR-026 D35 × d18 × (6-8)
FMR-027 D39 × d22.5 × (7-10) FMR-028 D40 × d19 × (6-10)
FMR-029 D40 × d22 × (6-10) FMR-030 D45 × d19(22) × (6-10)
FMR-031 D50 × d22 × (6-12) FMR-032 D50 × d24 × (6-12)
FMR-033 D55 × d24 × (6-12) FMR-034 D55 × d26 × (6-12)
FMR-035 D60 × d24 × (8-16) FMR-036 D60 × d30 × (8-16)
FMR-037 D60 × d32 × (8-16) FMR-038 D65 × d32 × (6-16)
FMR-039 D70 × d32 × (8-18) FMR-040 D70 × d45 × (8-18)
FMR-041 D71.1 × d32.5 × 15 FMR-042 D72 × d32 × (8-18)
FMR-043 D75 × d32 × (10-15) FMR-044 D75 × d40 × (10-15)
FMR-045 D80 × d32 × (10-20) FMR-046 D80 × d40 × (10-20)
FMR-047 D80 × d60 × (10-20) FMR-048 D85 × d32 × (8-20)
FMR-049 D85 × d44 × (8-20) FMR-050 D85 × d45 × (8-20)
FMR-051 D90 × d32 × (10-18) FMR-052 D90 × d35 × (10-18)
FMR-053 D90 × d45 × (10-18) FMR-054 D90 × d50 × (10-18)
FMR-055 D100 × d45 × (12-20) FMR-056 D100 × d50 × (12-20)
FMR-057 D100 × d60 × (12-20) FMR-058 D110 × d60 × (15-20)
FMR-059 D110 × d62 × (15-20) FMR-060 D119 × d56 × (14-20)
FMR-061 D119 × d60 × (14-20) FMR-062 D116 × d56.8 × (15-20)
FMR-063 D116 × d60 × (15-20) FMR-064 D120 × d45 × (12.5-20)
FMR-065 D120 × d60 × (12.5-20) FMR-066 D126 × d60 × (12.5-20)
FMR-067 D126 × d65 × (12.5-20) FMR-068 D128.3 × d58.8 × (15-20)
FMR-069 D133.3 × d59 × (15-20) FMR-070 D135 × d60 × (15-20)
FMR-071 D140 × d62 × (12.5-20) FMR-072 D140 × d65 × (12.5-20)
FMR-073 D140 × d75 × (12.5-20) FMR-074 D145 × d70 × (20-24)
FMR-075 D145 × d75 × (20-24) FMR-076 D156 × d60 × (20-25)
FMR-077 D156 × d80 × (20-25) FMR-078 D165 × d86.4 × (15-25)
FMR-079 D169 × d85 × (20-25) FMR-080 D180 × d80 × (20-25)
FMR-081 D180 × d85 × (20-25) FMR-082 D180 × d95 × (20-25)
FMR-083 D190 × d89 × (20-25) FMR-084 D190 × d90 × (20-25)
FMR-085 D200 × d86 × (20-25) FMR-086 D211 × d89 × (20-25)
FMR-087 D210 × d110 × (20-25) FMR-088 D220 × d110 × (20-25)

The above size is suitable for customer’s Magnetic Grade, Dimension tolerance: D ± 2%, d ± 1.5%, h ±0.15mm

Metrics

Sintered Ferrite Magnet Performance and Grade

Grade (Br) (HcB) (HcJ) (BH)max
mT KGauss KA/m KOe KA/m KOe KJ/m3 MGOe
Y10T 200~235 2.0~2.35 125-160 1.57-2.01 210-280 2.64-3.51 6.5-9.5 0.8-1.2
Y22H 310~360 3.10~3.60 220-250 2.76-3.14 280-320 3.51-4.02 20.0-24.0 2.5-3.0
Y25 360~400 3.60~4.00 135-170 1.70-2.14 140-200 1.76-2.51 22.5-28.0 2.8-3.5
Y26H-1 360~390 3.60~3.90 200-250 2.51-3.14 225-255 2.83-3.20 23.0-28.0 2.9-3.5
Y26H-2 360~380 3.60~3.80 263-288 3.30-3.62 318-350 3.99-4.40 24.0-28.0 3.0-3.5
Y27H 350~380 3.50~3.80 225-240 2.83-3.01 235-260 2.95-3.27 25.0-29.0 3.1-3.6
Y28 370~400 3.70~4.00 175-210 2.20-3.64 180-220 2.26-2.76 26.0-30.0 3.3-3.8
Y28H-1 380~400 3.80~4.00 240-260 3.01-3.27 250-280 3.14-3.52 27.0-30.0 3.4-3.8
Y28H-2 360~380 3.60~3.80 271-295 3.40-3.70 382-405 4.80-5.08 26.0-30.0 3.3-3.8
Y30H-1 380~400 3.80~4.00 230-275 2.89-3.46 235-290 2.95-3.64 27.0-32.5 3.4-4.1
Y30H-2 395~415 3.95~4.15 275-300 3.45-3.77 310-335 3.89-4.20 27.0-32.0 3.4-4.0
Y32 400~420 4.00~4.20 160-190 2.01-2.39 165-195 2.07-2.45 30.0-33.5 3.8-4.2
Y32H-1 400~420 4.00~4.20 190-230 2.39-2.89 230-250 2.89-3.14 31.5-35.0 3.9-4.4
Y32H-2 400~440 4.00~4.40 224-240 2.81-3.01 230-250 2.89-3.14 31.0-34.0 3.9-4.3
Y33 410~430 4.10~4.30 220-250 2.76-3.14 225-255 2.83-3.20 31.5-35.0 3.9-4.4
Y33H 410~430 4.10~4.30 250-270 3.14-3.39 250-275 3.14-3.45 31.5-35.0 3.9-4.4
Y34 420~440 4.20~4.40 200-230 2.51-2.89 205-235 2.57-2.95 32.5-36.0 4.1-4.4
Y35 430~450 4.30~4.50 215-239 2.70-3.00 217-241 2.73-3.03 33.1-38.2 4.1-4.8
Y36 430~450 4.30~4.50 247-271 3.10-3.40 250-274 3.14-3.44 35.1-38.3 4.4-4.8
Y38 440~460 4.40~4.60 285-305 3.58-3.83 294-310 3.69-3.89 36.6-40.6 4.6-5.1
Y40 440~460 4.40~4.60 330-354 4.15-4.45 340-360 4.27-4.52 37.6-41.8 4.7-5.2
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