N50M , N30H - N48H Sintered Ndfeb Powerful Permanent Neodymium Bar Magnet for microphones

Description

High?Quality?Permanent?Magnets?With?Nickel?Coating?For?Sale

Material

Neodymium-Iron-Boron

Working?Temperature

Grade

Max.?Operating?Temperature

N35-N52

80°C?(176°F)

33M-?48M

100°C?(212°F)

33H-48H

120°C?(248°F)

30SH-45SH

150°C?(302°F)

30UH-40UH

180°C?(356°F)

28EH-38EH

200°C?(392°F)

28AH-35AH

220°C?(428°F)

Magnet?Shape

Disc,?Cylinder,?Block,?Ring,?Countersunk,?Segment,?Trapezoid,

?Irregular?shapes?and?more.?

Customized?shapes?for?Super?Permanent?Block?NdFeB?Magnet?are?available.

Magnet?Coating

Ni-Cu-Ni,?Nickel,?Zn,?Gold,?Silver,?Copper,?Epoxy,?Chemical,?PTFE,?Parylene,?Everlube,?

Passivation?and?more.

Application

Permanent?Axially?Magnetized?Ring?Magnets?are?widely?used?in?many?fields,

?such?as?motors,?sensors,?microphones,?wind?turbines,?wind?generators,?

VCMs?in?hard?disk?drives,?printer,?switchboard,?loudspeakers,?magnetic?separation,?

magnetic?hooks,?magnetic?holder,?magnetic?chuck,?common?daily?use,?and?so?on.

Material?Type

Residual?Flux?

Density(Br)

Coercive?Force(Hc)

Intrinsic?Coercive?

Force?(Hci)

Max.Energy?Product

(BH)max

N35

11.7-12.1?KGs

>11.0?KOe

>12?KOe

33-35?MGOe

N38

12.2-12.6?KGs

>11.0?KOe

>12?KOe

36-38?MGOe

N40

12.6-12.9?KGs

>11.0?KOe

>12?KOe

38-40?MGOe

N42

13.0-13.2?KGs

>11.0?KOe

>12?KOe

40-42?MGOe

N45

13.3-13.7?KGs

>11.0?KOe

>12?KOe

43-45?MGOe

N48

13.8-14.2?KGs

>11.0?KOe

>12?KOe

45-48?MGOe

N50

14.1-14.5?KGs

>11.0?KOe

>11?KOe

48-50?MGOe

N52