Block Ferrite Magnet Ceramic Hard Ferrite Magets

1. Material: Block Ferrite / Ceramic Magnet

2. Shape: Block / Rectangular

3. Dimensions: As required / Customized

4. Grade: Y25,Y30BH-1,Y35,Y40 and etc

Click here to check the grade of ferrite magnet

5. Coating: Without coating

6. Magnetized: Through thickness,width,length

7. Max working Temp.: Up to 250℃

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Technical Specifications

Ferrite magnet,or also known as Ceramic magnet.Ferrite magnets are corrosion resistant,they can be used in water with no corrosion at all.Although not as powerful as rare earth neodymium magnet (NdFeB magnet),their high coercivity and relative low cost make them ideal for use in motors and high temperature motors.

Application of Ferrite (Ceramic) Magnets

1.Automobile industry

2.Motors and Generators

3.Water pump rotor

4.Instrument motor

5.Sensor

6.Medical equipment

7.Loudspeakers

8.Automation equipment and etc.

Advantages of Ferrite (Ceramic) Magnets
1.Do not corrode in water.
2.Can be used up to +250℃.
3.High coercivity (Hcj) that increases as magnet heats up.
4.Electrically insulating.
5.Relatively low cost - good for cost saving projects.

Disadvantages of Ferrite (Ceramic) Magnets
1.The magnetic power are weaker than neodymium magnet.
2.Sometimes there will be mould and magnetized fixture development cost.

Magnetization Orientation of Block Ferrite Magnet

Most of block ferrite magnet are magnetized through thickness.But there are some applications that require magnetization of its length or width direction.If you have special requirements for magnetization,please do not hesitate to let us know.


Magnetized Through Thickness	Magnetized Through Width	Magnetized Through Length

Magnetic Properties Of Ferrite Magnet

Grade	Remanence Br		Coercivity Hcb		Intrinsic Coercivity Hcj		Maximium Energy Product (BH)max
	mT	Gs	kA/m	Oe	kA/m	Oe	kJ/m3	MGOe
	mT	Gs	kA/m	Oe	kA/m	Oe	kJ/m3	MGOe
Y8T	200-235	2000-2350	125-160	1570-2010	210-280	2640-3520	6.5-9.5	0.82-1.19
Y25	360-400	3600-4000	135-170	1700-2140	140-200	1760-2520	22.5-28.0	2.83-3.52
Y26H-1	360-390	3600-3900	200-250	2520-3140	225-255	2830-3200	23.0-28.0	2.89-3.52
Y28	370-400	3700-4000	175-210	2200-2640	180-220	2260-2760	26.0-30.0	3.27-3.77
Y28H-1	380-400	3800-4000	240-260	3015-3270	250-280	3140-3520	27.0-30.0	3.39-3.77
Y28H-2	360-380	3600-3800	271-295	3405-3705	382-405	4800-5090	26.0-28.5	3.27-3.58
Y30H-1	380-400	3800-4000	230-275	2890-3450	235-290	2950-3650	27.0-31.5	3.39-3.96
Y30H-2	395-415	3950-4150	275-300	3450-3770	310-335	3900-4210	27.0-32.0	3.39-4.02
Y32	400-420	4000-4200	160-190	2010-2400	165-195	2080-2450	30.0-33.5	3.77-4.21
Y32H-1	400-420	4000-4200	190-230	2400-2900	230-250	2900-3140	31.5-35.0	3.96-4.40
Y32H-2	400-440	4000-4400	224-240	2800-3020	230-250	2900-3140	31.0-34.0	3.89-4.27
Y33	410-430	4100-4300	220-250	2760-3140	225-255	2830-3200	31.5-35.0	3.96-4.40
Y33H	410-430	4100-4300	250-270	3140-3400	250-275	3140-3450	31.5-35.0	3.96-4.40
Y33H-2	410-430	4100-4300	285-315	3580-3960	305-335	3830-4210	31.8-35.0	4.0-4.40
Y34	420-440	4200-4400	250-280	3140-3520	260-290	3270-3650	32.5-36.0	4.08-4.52
Y35	430-450	4300-4500	230-260	2900-3270	240-270	3015-3400	33.1-38.2	4.16-4.80
Y36	430-450	4300-4500	260-290	3270-3650	265-295	3330-3705	35.1-38.3	4.41-4.81
Y38	440-460	4400-4600	285-315	3580-3960	295-325	3705-4090	36.6-40.6	4.60-5.10
Y40	440-460	4400-4600	315-345	3960-4340	320-350	4020-4400	37.6-41.6	4.72-5.23
Y41	450-470	4500-4700	245-275	3080-3460	255-285	3200-3580	38.0-42.0	4.77-5.28
Y41H	450-470	4500-4700	315-345	3960-4340	385-415	4850-5220	38.5-42.5	4.84-5.34
Y42	460-480	4600-4800	315-335	3960-4210	355-385	4460-4850	40.0-44.0	5.03-5.53
Y42H	460-480	4600-4800	325-345	4080-4340	400-440	5020-5530	40.0-44.0	5.03-5.53
Y43	465-485	4650-4850	330-350	4150-4400	350-390	4400-4900	40.5-45.5	5.09-5.72

Mechanical Physical Properties Of Ferrite Magnet

Density	4.8 ~ 5.1 g/cm³
Electrical Resistivity	>=10(4) Ω.cm
Recoil Permeablility	1.05 ~ 1.03
Curie Temperature	460 ~ 480℃
Temperature Coefficient of Br	-0.18 ~ -0.2 % / ℃ ( 0-100℃)
Temperature Coefficient of Hc	0.2 ~ 0.5 % / ℃( 0-100℃)
Coefficient Of Linear Expansion	7 ~ 15 X 10(-6) /℃

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Subject : Block Ferrite Magnet Ceramic Hard Ferrite Magets

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