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Ring Sintered Ferrite Magnet

Ring Sintered Ferrite Magnet
Product Details

TYPICAL MAGNETIC PERFORMANCE OF SINTERED FERRITE MAGNETS
Grade Br HcB HcJ (BH)max
mT KG KA/m KOe KA/m KOe Kj/m3 MGOe
Y8T 200~235 2.00~2.35 125~160 1.57~2.01 210~280 2.64~3.51 6.50~9.50 0.8~1.2
Y22H 310~360 3.10~3.60 220~250 2.77~3.14 280~320 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 3.60~3.90 220~250 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 3.3~3.8
Y28H-2 360~380 3.60~3.80 271~295 3.40~3.70 382~405 4.80~5.08 26.0~32.5 3.4~3.8
Y30H-1 380~400 3.80~4.00 230~275 2.89~3.46 235~290 2.95~3.64 27.0~32.5 3.3~3.8
Y30H-2 395~415 3.95~4.15 275~300 3.45~3.77 310~335 3.89~4.20 27.0~32.0 3.4~4.1
Y32 400~420 4.00~4.20 160~190 2.01~2.37 165~195 2.07~2.45 30.0~33.5 3.4~4.0
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 2.80~3.01 230~250 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

INTERNATIONAL STANDARD
Material Br HcB HcJ (BH)max
mT KG KA/m KOe KA/m KOe KJ/m3 MGOe
C1 230 2.3 148 1.86 258 3.5 8.36 1.05
C5 380 3.8 191 2.4 199 2.5 27 3.4
C7 340 3.4 258 3.23 318 4 21.9 2.75
C8A 385 3.85 235 2.95 242 3.05 27.8 3.5
C8B 420 4.2 232 2.913 236 2.96 32.8 4.12
C9 380 3.8 280 3.516 320 4.01 26.4 3.32
C10 400 4 288 3.617 280 3.51 30.4 3.82
C11 430 4.3 200 2.512 204 2.56 34.4 4.32

Remark:Density: 4.5—5.0G/cm
  Tc≥450ºC
  The best range of working temperature: -40 — +85ºC
  α(Br)=-0.2%/ºC range from 0ºC to 100ºC
  α(Hcj)=0.2-0.5%/ºC range from 0ºC to 100ºC.

Directions of magnetization
Orientation arrangements Examples Material
Axially oriented Loud speaker
Holding devices
Magnetic switches
Inert gas switches
Isotropic
Anisotropic
Magnetized through the height Filtering systems
Clamping devices
Magnetic chokes,switches
Isotropic
Anisotropic
Magnetized axially
In segments with alternating poles picture 6-pole configuration
Synchronous motors disc coupling Isotropic
Anisotropic
Radially oriented Holding magnets couplings limited sizes available Isotropic
Oriented through diameter Synchronous motors special applications Isotropic
Anisotropic
With limitations
Oriented laterally on surface picture shows 6-pole configuration Disc couping
holding devices
Isotropic
Anisotropic
Multiple pole
Orientation on
Outer surface
Picture shows
4-pole configuration
Dynamos
Motors
Concentric ring coupings
Isotropic
Multiple pole
Orientation on inside surface
Picture shows
4-pole configuration
Concentric ring couping
Motors
Concentric ring couping
Motors
Lateral orientation
In lines on surface
P = Pole distance
Holding devices
Magnetic chokes
Isotropic
Anisotropic
Radial orientation motors Isotropic
Anisotropic
Diametrical orientation motors Isotropic
Anisotropic
The pole surface can be marked with a pole sign or with an engraving Laterally oriented magnets can be marked to buyer's require-ment for pole identification
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