BeStar BMS3450-01 User Manual

SPECIFICATION

FOR AUTOMOTIVE SPEAKER

Customer

Date
Page

12 Nov. 03

01 of 08

08TOTAL PAGE

www.be-star.com

Model Name

Product No.Customer P/N

BMS3450-01

132003

RoHS

Issue No. BS/TES01.066B
Issue Date

03/11/29

Drawn by

王善梅

Approval:

1.Characteristics

2.Notice

3.Dimension

4.Bill of Material

5.Reliability Test

6.Packing

7.History change record

Checked by

莫丽丽

Approved by

郭敏

Customer approved

BESTAR ELECTRONICS INDUSTRY CO.,LTD

No.199 HuangHe West Road.New district,ChangZhou,JiangSu Province,P.R.China
Tel: [phone] Fax: [phone]

E-mail:[e-mail] http://www.be-star.com

6

BMS3450-01

H

1. Characteristic

1.1 Electrical and Mechanical Characteristics

45

3

12

H

G

G

No. Item Specifications

1. Rated input 0.3W

F

F

2. Maximum input 0.5W

3. Resonance Frequency 400 15%Hz

4. Frequency Response F0...5KHz

5. Impedance(at 1000Hz,1V) 50ohm 15%

E

6. Coil resistance 45ohm 15%

E

7. Output SPL (6.4V,square wave) 75 3dBA at 3000Hz,600Hz

8. Buzzes & rattles must be normal at sine wave 3.87V

9. Magnet Nd-Fe-B 12.5X1.5mm

D

10. Polarity Positive voltage to (+),

D

the diaphagm move forward

and shall not be used in whole or in part without its written content

11. Frame PC

12. Storage temperature -40 C...+90 C

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

13. Operation temperature -40 C...+90 C

C

B

B
A

A

Rev.

14. Weight 11g

Date:

03/11/29
02/05/23

Date

6 5

王善梅

王善梅

Drawn

Note

Drawn by:
Checked by:
Approved by:

4 3

03/11/29

王善梅

莫丽丽

郭敏

www.be-star.com [e-mail]

BMS3450-01

Speaker

DRG NO: BS/TES01.066B

2 1

C

B

A

Page:2 of 8

3456 12

H

BMS3450-01

1.2 Frequency Response Curve

100.0

dB SPL

G

90.0

80.0

70.0

F

60.0

50.0

E

200

2.Notice

1k

Frequency(Hz)

10k

Hz

H

G

F

E

2.2 Storage Condition
The products should be stored in the room ,where the temperature/humidity is stable. And avoid
such places where there are large temperature changes. Please store the products at the foll­owing conditions:
Temperature: -10 to + 40ˇăC Humidity: 15 to 85% R.H.

2.3 Expire Date on Storage

D

and shall not be used in whole or in part without its written content

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

C

B

Expire date (Shelf life) of the products is six months after deliveried under the conditions of a
sealed and an unopened package. Please use the products within six months after deliveried.
If you store the products for a long time (more than six months), use carefully because the
products may be degraded in the solderability and/or rusty.Please confirm solderability and
characteristics for the products regularly.

2.4 Notice on Product Storage
(1) Please do not store the products in a chemical atmosphere (Acids, Alkali, Bases, Organic
gas, Sulfides and so on), because the characteristics may be reduced at quality, and/or be d­egraded in the solderability due to the storage in a chemical atmosphere.
(2) Please use the products immediately after the package is opened, because the character­istics may be reduced at quality, and/or be degraded in the solderability due to storage under
the poor condition.

D

C

B

B 03/11/29
A 02/05/23

A

Rev.

王善梅

王善梅

Date Drawn

6 5

Note

Date:
Drawn by:
Checked by:
Approved by:

www.be-star.com [e-mail]

03/11/29

王善梅

莫丽丽

郭敏

4 3

BMS3450-01

Speaker

DRG NO: BS/TES01.066B

2 1

A

Page:3 of 8

BMS3450-01

H

3.Dimension

3456 12

H

B

G

1

3-5ˇŔ0.1

9

16.5ˇŔ0.3

10

4.1ˇŔ0.2

11

Ø37ˇŔ0.3

G

12

3-5

B

F

5

Ø0.8

E

90ˇă

4

5ˇŔ0.1

11

2

13.8

3

15

10.7ˇŔ0.2

20.5
24

13

14

A

A

2 : 1

7

Ø2

6

D

5.3ˇŔ0.5

8

4ˇŔ0.3

B B
2 : 1

16

1.6ˇŔ0.1

F

E

D

and shall not be used in whole or in part without its written content

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

C

B

A

B 03/11/29

A 02/05/23

Rev.

Date Drawn

6 5

王善梅
王善梅

Note

Ø33

Ø34.6

24

Date:
Drawn by:
Checked by:
Approved by:

23

03/11/29

王善梅

莫丽丽

郭敏

www.be-star.com [e-mail]

4 3

20

0

-0.3

Ø25.7

22

0.6

21

4.1

Ø23.8

Ø28.3¡À0.2

Ø26.1¡À0.3

17

19

18

C

B

BMS3450-01

Speaker

DRG NO: BS/TES01.066B

Page:4 of 8

A

2 1

6 5 4 3 2 1

H

BMS3450-01

4.Bill of Material

G

F

E

H

G

3

4

5

2

1

F

10

6

9

8

7

E

D

and shall not be used in whole or in part without its written content

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

C

B

A

Rev.

B 03/11/29
A 02/05/23

6

王善梅

王善梅

DrawnDate

Note

Date:
Drawn by:

Checked by:

Approved by:

45

10 metal plate SPCC

9 Weld plate Cu and Sn
8 Cover PC

7 Voice Coil Ø0.05Cu

6. Pin Cu and Sn
5 Housing Nylon

4 Frame PC
3 Diaphragm PEI

2 magnet bowl SPCC

1 Magnet N35H

No Parts Name Material

03/11/29

王善梅

莫丽丽

郭敏

www.be-star.com [e-mail]

3

BMS3450-01

Speaker

DRG NO: BS/TES01.066B

2

D

C

B

A

Page:5 of 8

1

6 5 4 3 2 1

BMS3450-01

H

5.Reliability test

5.1High temperature test
Temperature +85 C
Duration ≥1000hrs

5.2 Low temperature test
Temperature -40 C

G

Duration ≥500hrs

5.3 Humidity test
Temperature +40 C
Humidity 90-95%RH
Duration ≥56days

5.4 Temperature cycle durability:

-40 C/+85 C ≥100cycle (1 cycle=4h)

F

After each test of 5.2-5.5,the sound pressure level requirement must be fufilled.

5.5 Impact resistance:
100g for each three mutually perpendicular directions to each of 3 times by sine-wave:
no damage,no alternation of specified parameters

5.6 Proofness due vibrations:
sine-wave excitation;8...300Hz ,2g,

E

1 octaves/min; test time 16h each axes

5.7 Noise test :
10 -200Hz: 0.01g2/Hz,acceleration 1 .9g
200 - 1000Hz: -6dB / Oct.
Test time 8h each axes.

5.8.1 Shelf Life :
VPP=7.0V rectangle pulse shape, alternating ON for 10 sec./ OFF for 10secs

D

(equivalent to 180 cycle /h ) low or 1st control frequency is 600 Hz ,high or 2nd control frequecy is 3000Hz
Switch-on time(total) for 1st control frequency : 60h (10800 cycles)

and shall not be used in whole or in part without its written content

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

Including 42.5h (7650 cycles) at T amb=+20 C
10h (1800 cycles) at T amb=+85 C

7.5h (1350 cycles) at T amb=-40 C
Switch-on time(total) for 2nd control frequency : 17h (3060 cycles)
Including 9h (1620 cycles) at T amb=+20 C

C

4.5h (810cycles) at T amb=+85 C

3.5h (630cycles) at T amb=-40 C
After these and the following tests the values of loudness ( 2dB) and sound (distortion)
must be within the specification.

5.8.2 Function of indicator:
Us=6.4V rectangle pulse shape, 10 times on/off, pause for 10sec. according one indicatorphase.(note diagram fig 1)
Total 150000 indicatorphase

B

Including 100000 indicatorphase at T amb=+20 C
25000 indicatorphase at T amb=+85 C
25000 indicatopphase at T amb=-40 C

H

G

F

E

D

C

B

B 03/11/29

A

Rev.

Date:

王善梅

02/05/23A

Date

6

王善梅

Drawn

5 4

Note

Drawn by:
Checked by:

Approved by:

www.be-star.com [e-mail]

03/11/29

王善梅

莫丽丽

郭敏

3

BMS3450-01

Speaker

DRG NO: BS/TES01.066B

2 1

A

Page:6 of 8

3456 12

H

G

BMS3450-01

u(v)

6.4v

0v

6. Packing

6.1 Packing Drawing

F

7ˇŔ0.2

5.8ˇŔ0.7

10.6ˇŔ0.2

E

10.8ˇŔ0.2 18ˇŔ0.2

2.1ˇŔ0.2

44.2ˇŔ0.2

2.9ms

300ms

fT=32kHZ

17.2ˇŔ0.2

5.5ˇŔ0.2

fig 1

H

200ms

0.8ms

G

t(s)

F

E

560¡À1

D

and shall not be used in whole or in part without its written content

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

C

B

A

6.2 packing quantity

1) 14pcs per magazine

2) 50pcs magazine per carton

3) 700pcs per carton,

4) carton size: 58X25X28cm

B 03/11/29

A 02/05/23

Rev.

Date Drawn

6 5

王善梅

王善梅

Note

Date:
Drawn by:
Checked by:
Approved by:

www.be-star.com [e-mail]

03/11/29

王善梅

莫丽丽

郭敏

4 3

BMS3450-01

Speaker

DRG NO: BS/TES01.066B

2 1

D

C

B

A

Page:7 of 8

6 5 4 3 2

BMS3450-01

H

7. History change record

1

H

version
No.

G

F

E

A

1) 25.4

B

3)2mm

4)25.7mm

+0.05
0

Before

mm

5)28mm

Change Items

2) 4±0.2mm

After

0

1) 25.7

mm

-0.3

3)0.6mm , 4.1mm

4)26.1ˇŔ0.3mm

2) 4.1±0.2mm

5)28.3ˇŔ0.2mm

Date

02/05/23

03/11/29

Drawn

王善梅

王善梅

Approved

杨宏基

郭敏

G

F

E

D

and shall not be used in whole or in part without its written content

This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.

C

B

A

B 03/11/29
A 02/05/23

Rev.

Date

6 5

王善梅

王善梅

Drawn

Note

Date:
Drawn by:
Checked by:

Approved by:

www.be-star.com [e-mail]

03/11/29

王善梅

莫丽丽

郭敏

DRG NO: BS/TES01.066B

4 3 2

BMS3450-01

Speaker

D

C

B

A

Page:8 of 8

1