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Ningbo Haishu Nide International Co., Ltd.
一一
·  Add:14-5, East Kemao Center, No.100 Xiangyun Road, Hi-tech District, Ningbo 315040, China.
·  Contact person:Annie
·  Tel:0086-574-87295639
·  Mob:0086-13738869026
·  Fax:0086-574-87295637
·  Email:emarketing@nide-group.com;sales@nide-group.com.
 

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Magnets for window rolling motors

NDPJ-CW-5

 

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Details

Magnets for window-rolling motors are applicable for all cars based on Y30H-3 materical grade.

 
Ferrite Magnet Grade Equivalent
 

Item

Grade

Br T(GS)

HCB 

kA/m(kOe)

HCJ 

kA/m(kOe)

(BH)  max 

kJ/m³(MGOe)

 

IEC standard

 

IEC60404-8-1: 2001

 

Hard ferrite 32/25 SI-1-9

≥0.41

≥240

≥250

≥32.00

≥4100

≥3016

≥3142

≥4.02

Hard ferrite 24/35 SI-1-10

≥0.36

≥260

≥350

≥24.00

≥3600

≥3267

≥4398

≥3.02

Hard ferrite 25/38 SI-1-12

≥0.38

≥275

≥380

≥25.00

≥3800

≥3456

≥4775

≥3.14

Hard ferrite 31/30 SI-1-13

≥0.41

≥295

≥300

≥31.00

≥4100

≥3707

≥3770

≥3.896

 

NIDE 

Standard

 

Q/74690217-4.1-2004

 

JC-Y3932

0.380-0.400

230-275

235-290

27.8-32.5

(3800-4000)

(2890-3456)

(2953-3644)

(3.49-4.10)

JC-Y3939

0.385-0.4000

270-290

280-320

28.5-31.8

(3800-4000)

(3391-3644)

(3518-4021)

(3.58-4.00)

JC-Y4041

0.395-0.415

275-295

310-340

28.2-32.0

(3950-4150)

(3456-3707)

(3895-4272)

(3.54-4.02)

JC-Y4127

0.400-0.424

200-225

205-228

30.0-33.6

(4000-4240)

(2514-2827)

(2577-2865)

(3.77-4.22)

JC-Y4231

0.410-0.430

220-260

255-270

31.8-35.5

(4100-4300)

(2765-3267)

(2827-3391)

(4.00-4.46)

JC-Y3744

0.360-0.380

265-288

330-360

24.0-28.0

(3600-3800)

(3330-3620)

(4147-4524)

(3.02-3.53)

JC-Y3849

0.370-0.390

271-305

370-400

26.0-30.2

(3700-3900)

(3405-3833)

(4649-5026)

(3.27-3.80)

JC-Y4240

0.410-0.430

291-314

306.1-330

32.0-35.4

(4100-4300)

(3657-3946)

(3846-4147)

(4.02-4.45)


 

Physical characteristics of permanent ferrite & technical property

Item

Symbol

Unit

Value

Note

Temperature range

-40~+80

 

Expand coefficient

αR

K-1

7~15X10-6

 

Density

d

g/cm³

4.5~5.1

 

Resistivity

p

Ω·cm

104 ~ 108

 

Curie temperature

θc

460~480

 

Temperature coefficient of remanence

αBr

K-1

-(0.18~0.20)%

0~100

Temperature coefficient of coercive force

αHCJ

K-1

(0.20~0.50)%

0~100

Recoil permeability

μ

1.05~1.30

 

Hardness

Hv

480~580

 

 

 

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Contatct us

Ningbo Nide Mechanical Equipment Co., Ltd.

Contact:Annie

Tel: 0086-574-87295639

Mob: 0086-13738869026

Fax: 0086-574-87295637

Email: emarketing@nide-group.com

Address:14-5, East Kemao Center, No.100 Xiangyun Road, Hi-tech District, Ningbo , China.