BeStar BMT2512H12-04LF User Manual

SPECIFICATION

FOR ELECTRO-MAGNET TRANSDUCER

Customer

Date
Page

03 Jun. 09

01 of 07

07TOTAL PAGE

www.be-star.com

Model Name

Product No.Customer P/N
Issue No.
Issue Date

BMT2512H12-04 LF

010120

BS/TET01.584B

09/06/03

RoHS

Approval:

1.Characteristics

2.Dimension

3.Reliability Test

4.Packing

5.Notice

6.History change record

Drawn by

魏奉玲

Checked by

徐 波

Approved by

陶红仲

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

56 4 3 2 1

BMT2512H12-04 LF

H

1.Characteristics

1.1Technical terms

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G

G

No. Item Specifications

Operating Voltage 8...14Vo-p

1

Rated Voltage 12Vo-p

2

a)Rated Current Max. 55mA

3

a)Sound Output at 10cm ≥85dB

4

Coil Resistance 120± 15Ω

5

Resonant Frequency 1000-1500Hz( ≥80dB)

6

Operating Temperature -40...+85°C

E

7

Storage Temperature -40...+85°C

8

Weight 10g

9

Material NoryI SE1-GFN2J

10

FF

E

a) Value applying rated voltage ( 1000Hz, 50%duty,square wave)

D

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.

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B

1.2 Test method:

1.2.1.Recommended Circuit

the following are examples of externally driven circuits.

Square
signal
generator

B

09/06/03

A

01/06/20

Rev.

red

8050

1.0K

black

魏奉玲

胡海青

DrawnDate

RohS

Note

56 4

Ec+

Date:
Drawn by:
Checked by:
Approved by:

1.2.2.Standard text Fixture

No reaction in space with in 400mm in all direction

buzzer

400mm

09/06/03

魏奉玲
徐 波

陶红仲

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

3 2

Sounder

100mm

BMT2512H12-04 LF

Transducer

DRG NO: BS/TET01.584B

C

B

A

Page:2 of 7

1

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BMT2512H12-04 LF

H

1.3Frequency response(square wave 12Vo-p 10cm)

MLS-Frequency Response

G

F F

E

H

G

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

Date:

B

09/06/03

A

A

Rev.

01/06/20

Date Drawn

魏奉玲

胡海青

RohS

Note

Drawn by:
Checked by:
Approved by:

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

46 5

09/06/03

魏奉玲
徐 波

陶红仲

BMT2512H12-04 LF

Transducer

DRG NO: BS/TET01.584B

Page:3 of 7

123

D

C

B

A

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BMT2512H12-04 LF

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2. Dimension

G

4.7±0.5

F F

E

(+pole)

10.2±0.5

(-pole)

-0.5

+0.1

25

1.5

12±0.5

0.5

H

G

E

BeStar
BMT2512H12

-04 LF XX.X

D

Remark:
Color of printing:golden
"XX . X" means "year.month"
E.g : Jun, 2009 is "09.F "

D

2-Ø0.8±0.05

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.

Unit:mm Tolerance: 0.3

C

masking label

B

C

B

Date:

B

09/06/03

A

A

Rev.

01/06/20

Date Drawn

魏奉玲

胡海青

RohS

Note

Drawn by:
Checked by:
Approved by:

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

46 5

09/06/03

魏奉玲
徐 波

陶红仲

BMT2512H12-04 LF

Transducer

DRG NO: BS/TET01.584B

A

Page:4 of 7

123

A

B

C

D

E

G

H

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BMT2512H12-04 LF

H

3. Reliability test

3.1 high temperature test
Temperature +85°c
Duration 96hrs

G

3.2 low temperature test
Temperature -40°c
Duration 96hrs

3.3 temperature cycle test
Cycles 5

-40°C

30min 15min

3.4 Humidity cycle test
cycles 10

25°C 90-95%RH

5h

+20°C

65°C 90-95%RH

+85°C

+20°C

30min 15min

FF

30min6h30min

E

all these tests above should be measured after leaving normal temperature for 2hrs.

3.5 Life test in high temperature
Power supply 12Vo-p 1000Hz with duty of 50%
Temperature +85°c
Duration 500hrs

3.6 Life test in low temperature

D

Power supply 12Vo-p 1000Hz with duty of 50%
Temperature -40°c
Duration 500hrs

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

3.7 Vibration Test
Vibration Frequency 10-55Hz

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

Amplitude 1.5mm
Direction x,y&z

C

Duration 2hrs each direction(total 6hrs)

3.8 Drop Test
Height 1.2m
(to 10mm thickness woodenboard)
Direction 3

3.9 Solderability test
Solderability temperature 255°C±5

B

Heat applying time 3sec ±0.5

all these tests above should be measured after leaving normal temperature for 2hrs.
Notice: After teh test the part shall meet specifications without any degrance and

performance except S.P.L,S.P.L shall be 85dB or more

Date:

B

09/06/03

A

A

Rev.

01/06/20

魏奉玲

胡海青

DrawnDate

RohS

Note

Drawn by:
Checked by:
Approved by:

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

09/06/03

魏奉玲
徐 波

陶红仲

BMT2512H12-04 LF

Transducer

DRG NO: BS/TET01.584B

Page:5 of 7

12346 5

BMT2512H12-04 LF

H

4. Packing

G

F F

E

1)50pcs/tray

2)40trays/carton

3)2000 pcs/carton in total

4)carton size 66x36x28cm

H

G

E

5.Notice

5.1 The products mustn't be washed

D

5.2 Storage Condition
The products should be stored in the room ,where the temperature/humidity is stable. And
avoid suchplaces where there are large temperature changes. Please store the products at

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

the following conditions:
Temperature: -10 to + 40°C Humidity: 15 to 85% R.H.

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

5.3 Expire Date on Storage
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

C

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.

5.4 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,

B

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.

Date:

B

09/06/03

A

A

Rev.

01/06/20

Date Drawn

魏奉玲

胡海青

RohS

Note

Drawn by:
Checked by:
Approved by:

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

46 5

09/06/03

魏奉玲
徐 波

陶红仲

BMT2512H12-04 LF

Transducer

DRG NO: BS/TET01.584B

Page:6 of 7

123

D

C

B

A

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BMT2512H12-04 LF

H

6. History change record

H

version
No.

G

E

D

A

B

Before

Change Items

After

RohS

Date

01/06/20
09/06/03

Drawn Approved

胡海青 邵 凯

魏奉玲 陶红仲

G

FF

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

Date:

B

09/06/03

A

A

Rev.

01/06/20

魏奉玲

胡海青

DrawnDate

RohS

Note

Drawn by:
Checked by:
Approved by:

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

56 4

09/06/03

魏奉玲
徐 波

陶红仲

DRG NO: BS/TET01.584B

BMT2512H12-04 LF

Transducer

3 2 1

Page:7 of 7

C

B

A