Ferrite Magnets,Ceramic Magnets

The hard ferrite is manufactured with SrO or BaO and Fe2O3 by ceramic process,it is also called ceramic mangets. Because of its cheaper price, and production process is relatively simple, compared with the prices of their products relatively cheap in terms of other magnets.

Model : NEO-F01
Price :
Productivity: : 1000 Tons/Year
Country of Origin : China
MOQ : Any quantities are avaible to order
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Transportation : By sea to seaport,By air to airport,By air express
Ferrite Magnet

The hard ferrite is manufactured with SrO or BaO and Fe2O3 by ceramic process,it is also called ceramic mangets. Because of its cheaper price, and production process is relatively simple, compared with the prices of their products relatively cheap in terms of other magnets. The main raw materials of ferrite magnets is oxide, so, it could not be eroded due to the impact of chemical substances or the environment (except for acid). Therefore, the surface does not need electroplating treatment. It is mainly used in handicrafts, drawing annex, toys, motor, loud speakers.

Sintered Ferrite Magnets

Hard ferrite magnets are manufactured by a die pressing followed by sintering process which allows economic production of components in a varied array of sizes and shapes. Ferrite magnets have excellent corrosion resistance and have normal operating capabilities between -40 oC and +250 oC.

Anisotropic Wet Pressing ferrite magnet

Anisotropic Wet Pressing ferrite magnet

Magnetic Properties of Sintered Ferrite Magnets

National standard

Grade Value
Br Hcb(BHC) Hcj(IHC) (BH)max
mT KG KA/m KOe KA/m KOe Kj/m3 MGOe
Y10T(=C1) 200/2182.00/2.18125/1451.57/1.82210/2502.64/3.146.5/8.00.8/1.0
Y25 360/3703.60/3.70135/1501.70/1.88140/1701.76/2.1422.5/25.32.8/3.2
Y30(=C5) 380/3853.80/3.85191/2102.40/2.64199/2202.50/2.5126.0/283.4/3.7
Y30BH 380/3903.80/3.90223/2352.80/2.95231/2452.90/3.0827.0/30.03.4/3.7
Y33 410/4204.10/4.20220/2352.77/2.95225/2402.83/3.0131.5/33.04.0/4.2
Y35 400/4104.00/4.10175/1952.20/2.45180/2002.26/2.5130.0/32.03.8/4.0
C8(=C8A) 385/3903.85/3.90235/2552.95/3.20242/2653.05/3.3327.8/30.03.5/3.7
C10 400/4104.00/4.10288/3003.62/3.77280/2873.51/3.6030.4/31.93.8/4.0

Chinese standard

Material Br HcB HcJ (BH)max
mT KG KA/m Oe KA/m Oe Kj/m3 MGOe
Y8T 200~235≥2000125~160≥1570210~280≥26106.5~9.5≥0.8
Y22H 310~360≥3100220~250≥2770280~320≥352020.0~24.0≥2.5
Y25 360~400≥3600135~170≥1700140~200≥176022.5~28.0≥2.8
Y26H-1 360~390≥3600220~250≥2512225~255≥283023.0~28.0≥2.9
Y26H-2 360-380≥3600263-288≥3300318-350≥400024.0-28.0≥3.0
Y27H 370~400≥3500225-240≥2830235-260≥295025.0~29.0≥3.1
Y28 370-400≥3700175-210≥2200180-220≥226026.0-30.0≥3.3
Y28H-1 380-400≥3800240-260≥3020250-280≥314027.0-30.0≥3.1
Y28H-2 360-380≥3600271-295≥3400382-405≥180026.0-30.0≥3.3
Y30 370~4003.7~4.0175~2102.20~2.64180~2202.26~2.7726.0~30.03.3~3.8
Y30H-1 380~400≥3800230-275≥2890235-290≥295027.0~32.5≥3.4
Y30H-2 395-415≥3950275-300≥3460310-335≥390027.0~32.0≥3.4
Y32 400~420≥4000160~190≥2010165~195≥207030.0~33.5≥3.8
Y32H-1 400-420≥4000190-230≥2390230-250≥289034.5-35.0≥4.0
Y32H-2 400-440≥4000224-240≥2810230-250≥289031.0-34.0≥3.9
Y33 410~430≥4100220~250≥2760225~255≥283031.5~35.0≥4.0
Y33H 410-430≥4100250-270≥3140250-275≥314031.5-35.0≥4.0
Y34 420-440≥4200200-230≥2510205-235≥258032.5-36.0≥4.1
Y35 430-450≥4300215-239≥2700217-242≥273033.1-33.2≥4.2
Y36 440-450≥4400247-271≥3100250-374≥440035.1-38.3≥4.4
Y38 440-460≥4400285-305≥3580294-310≥369036.6-40.6≥4.6
Y40 450-460≥4500330-354≥4150340-360≥427037.6-41.8≥4.7

USA standard

Material Br HcB HcJ (BH)max
mT KG KA/m KOe KA/e KOe kj/m3 MGOe
C1 2302.31481.862583.58.361.05
C5 3803.81912.41992.5273.4
C7 3403.42583.233184.0021.92.75
C8(=C8A) 3853.852352.952423.0527.83.5
C8B 4204.22322.9132362.9632.84.12
C9 3803.82803.5163204.0126.43.32
C10 4004.02883.6172803.5130.43.82
C11 4304.32002.5122042.5634.44.32

Europe standard

The standard from International Electronics Committee(IEC404-8-1) 

Grade Allowed Value (min/typical)
Br Hcb(BHC) Hcj(IHC) (BH)max
MT KG KA/m KOe KA/m KOe Kj/m3 MGOe
HF8/22 200/2202.00/2.20125/1401.57/1.76220/2302.76/2.896.5/6.80.8/1.1
HF20/19 320/3333.20/3.33170/1902.14/2.39190/2002.39/2.5120.0/21.02.5/2.7
HF20/28 310/3253.10/3.25220/2302.76/2.89280/2903.52/3.6420.0/21.02.5/2.7
HF22/30 350/3653.50/3.65255/2653.20/3.33290/3003.64/3.7722.0/23.52.8/3.0
HF24/16 350/3653.50/3.65155/1751.95/2.20160/1802.01/2.2624.0/25.53.0/3.2
HF24/23 350/3653.50/3.65220/2302.76/2.89230/2402.89/3.0124.0/25.53.0/3.2
HF24/35 360/3703.60/3.70260/2703.27/3.39350/3604.40/4.5224.0/25.53.0/3.2
HF26/16 370/3803.70/3.80155/1751.95/2.20160/1802.01/2.2626.0/27.03.2/3.4
HF26/18 370/3803.70/3.80175/1902.20/2.39180/1902.26/2.3926.0/27.03.3/3.4
HF26/24 370/3803.70/3.80230/2402.89/3.01240/2503.01/3.1426.0/27.03.3/3.4
HF26/26 370/3803.70/3.80230/2402.89/3.01260/2703.27/3.3926.0/27.03.3/3.4
HF26/30 385/3953.85/3.95260/2703.27/3.39300/3103.77/3.8926.0/27.03.3/3.4
HF28/26 385/3953.85/3.95250/2653.14/3.33260/2753.27/3.4528.0/30.03.5/3.8
HF28/28 385/3953.85/3.95260/2703.27/3.39280/2903.50/3.6028.0/30.03.5/3.8
HF30/26 395/4053.95/4.05250/2603.14/3.33260/2703.27/3.3930.0/31.53.8/3.9
HF32/17 410/4204.10/4.20160/1802.01/2.26165/1752.07/2.2032.0/33.04.0/4.1
HF32/22 410/4204.10/4.20215/2252.70/2.83220/2302.76/2.8932.0/33.04.0/4.1
HF32/25 410/4204.10/4.20240/2503.01/3.14250/2603.14/3.2732.0/33.04.0/4.1

Japan TDK standard

Grade Composition Br Hcb Hcj BH max
mT kG kA/m kOe kA/m kOe KJ/m3 MGOe
FB40 SrO6Fe2O3 410+/-10 4.1+/-10 234.8+/-11.9 2.95+/-0.15 238.7+/-15.9 3.0+/-0.2 31.4+/-1.6 3.95+/-0.2
FB3N SrO6Fe2O3 395+/-15 3.95+/-15 234.8+/-11.9 2.95+/-0.15 238.7+/-15.9 3.0+/-0.2 28.7+/-2.4 3.6+/-0.3
FB3G SrO6Fe2O3 375+/-15 3.75+/-15 254.6+/-15.9 3.2+/-0.2 270.6+/-19.9 3.4+/-0.25 25.9+/-2.4 3.25+/-0.3
FB3X SrO6Fe2O3 375+/-15 3.75+/-15 234.8+/-11.9 2.95+/-0.15 238.7+/-15.9 3.0+/-0.2 25.9+/-2.4 3.25+/-0.3
FB1A SrO6Fe2O3 220+/-15 2.20+/-15 159.2+/-15.9 2.0+/-0.2 258.6+/-19.9 3.25+/-0.25 8.9+/-1.6 1.1+/-0.2
FB5H SrO6Fe2O3 405+/-15 4.05+/-15 298.4+/-11.9 3.75+/-0.15 322.3+/-11.9 4.05+/-0.15 31.1+/-1.6 3.9+/-0.2
FB4X SrO6Fe2O3 420+/-10 4.20+/-10 234.8+/-11.9 2.95+/-0.15 238.7+/-15.9 3.0+/-0.2 33.4+/-1.6 4.2+/-0.2
FB4B SrO6Fe2O3 400+/-10 4.00+/-10 254.6+/-11.9 3.2+/-0.2 262.6+/-19.9 3.3+/-0.25 30.3+/-1.6 3.8+/-0.2
FB4A SrO/
BaO6Fe2O3
410+/-10 4.10+/-10 175.1+/-15.9 2.2+/-0.2 176.7+/-15.9 2.22+/-0.2 31.8+/-1.6 4.0+/-0.2
FBGN SrO6Fe2O3 440+/-10 4.40+/-10 258.6+/-11.9 3.25+/-0.15 262.6+/-11.9 3.3+/-0.15 36.7+/-1.6 4.6+/-0.2
FB6B SrO6Fe2O3 420+/-10 4.20+/-10 302.4+/-11.9 3.8+/-0.15 318.3+/-11.9 4.0+/-0.15 33.4+/-1.6 4.2+/-0.2
FB6H SrO6Fe2O3 400+/-10 4.00+/-10 302.4+/-11.9 3.8+/-0.15 358.1+/-11.9 4.5+/-0.15 30.3+/-1.6 3.8+/-0.2
FB6E SrO6Fe2O3 380+/-10 3.80+/-10 290.5+/-11.9 3.65+/-0.15 393.9+/-11.9 4.95+/-0.15 27.5+/-1.6 3.45+/-0.2
FB5N SrO6Fe2O3 440+/-10 4.40+/-10 256.8+/-11.9 2.85+/-0.15 2259.2+/-11.9 2.88+/-0.15 36.7+/-1.6 4.6+/-0.2
FB5B SrO6Fe2O3 420+/-10 4.20+/-10 262.6+/-11.9 3.3+/-0.15 266.6+/-11.9 3.35+/-0.15 33.4+/-1.6 4.2+/-0.2

Physical Characteristics

Compressive Strength 1.4 x 104 kg/cm2
Required Magnetizing Field 12,000 - 15,000 Oe
Electrical Resistivity > 104 μ-ohm-cm/cm2
Density 4.7-5.0 g/cm3
Recoil Permeability 1.05 μr
Rev. Temp. Coeff. -0.20 %/°C



TAG:  Ceramic Magnets,ferrite magnets

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