BeStar BMT1201H8.5F-02 LF User Manual

SPECIFICATION

FOR ELECTRO-MAGNET TRANSDUCER

Customer
Customer P/N

BeStar Model Name
Product No.

Issue No.

Issue Date

Approval:

1.Characteristics

2.Dimension

3.Reliability Test

4.Packing

5.Notice

6.History change record

Drawn by

Checked by

Approved by

BMT1201H8.5F-02 LF

010205

BS/TET01.004C

08/03/20

Customer approved

魏奉玲

For conform to the European Union Directive on the Restriction of Hazardous Substances(RoHS), this type of
productions forbid use all the hazardous substances as follow:
Lead
Cadmium
Mercury
Hexavalent chromium
Polybrominated biphenyls (PBB)
Polybrominated diphenyl ethers (PBDE)

陶红仲

张秀琴

BESTAR ELECTRONICS INDUSTRY CO.,LTD

No.199 HuangHe West Road.New district,changzhou,

jiangsu Province,P.R.China

Tel:[phone] Fax:[phone]
Http:www.be-star.com
E-mail: [e-mail], [e-mail]

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BMT1201H8.5F-02 LF

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1. Characteristics

1.1 Features

1. Dimension: Ø12×8.5

2. High S.P.L.; and clear sound

3. RoHS complant

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4. Minimum quantity (one carton): 3000 pcs.

1.2 Electrical and Mechanical Characteristics

No. Item Specifications

1. Rated voltage 1.5Vo-p

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G

F

F

3. Rated frequency 2048Hz

4. a) Rated current Max.10mA

5. Coil resistance 42ohm± 6ohm

6. b) Coil impedance 120ohm

2. Operating voltage range 1-3.5Vo-p

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7. a) Sound pressure level min.85dB at 10cm

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8. Operating temperature -25...+70°C

9. Storage temperature -30...+85°C

10. Weight 2g

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

a) Value applying rated voltage(2048Hz,50%duty,square wave 1.5Vo-p)
b) Value applying at rated voltage (2048Hz,sine wave measuring current 60μA)

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1.3 Test method:

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

1.31.Recommended Circuit

C

the following are examples of externally driven circuits.

1.32.Standard text Fixture

No reaction in space with in 400mm in all direction

C

Sounder

Ec+

buzzer

100mm

Square

red

8050

1.0K

signal

B

C

A

A

Rev.

generator

08/03/20
05/11/02B
05/07/01

Date

BESTAR ELECTRONICS INDUSTRY CO.,LTD

魏奉玲

陶红仲

陶红仲

Drawn

black

cancel the printing
change SPL into 85dB

Note

Date:
Drawn by:
Checked by:
Approved by:

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

6 5 4

400mm

08/03/20

魏奉玲

陶红仲

张秀琴

3

BMT1201H8.5-02 LF

Transducer

DRG NO: BS/TET01.004C

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A

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BMT1201H8.5F-02 LF

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1.4 Frequency Response(Square wave 1.5Vo-p 10cm)

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2. Dimension

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Tolerance: 0.3 Unit:mm

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.

2-Ø0.6±0.05

C

Ø2.3±0.2

C

+

+

-

6.5 0.2

B

08/03/20

C

05/11/02B

A

REV.

05/07/01A

Date

魏奉玲

陶红仲

陶红仲

Drawn

cancel the printing
change SPL into 85dB

Note Approved by:

BESTAR ELECTRONICS INDUSTRY CO.,LTD

12.0 0.2

Date:
Drawn by:
Checked by:

8.50.2

08/03/20

魏奉玲

陶红仲

张秀琴

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

5 ±0.5

BMT1201H8.5-02 LF

Transducer

DRG NO: BS/TET01.004C

B

A

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BMT1201H8.5F-02 LF

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3. Reliability test

3.1 High temperature test
Temperature +70C

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F

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Duration 96hrs

3.2 Low temperature test
Temperature -25 C
Duration 96hrs

3.3 Temperature cycle test
Cycles 5

-25C

30min

+20 C

15min

3.4 Humidity cycle test
Cycles 10

25C 90-95% RH

2.5h

+70C

30min

65C 90-95%

3.0h

+20 C

15min

RH

2.5h

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F

E

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

3.5 Load test
Power supply rated voltage
Duration 1000hrs

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3.6 Vibration Test
Vibration Frequency 10~55Hz
Amplitude 1.5mm

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

Duration x,y&z directions 30min

3.7 Drop test

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

Height 70cm
(to 10mm thickness woodenboard)

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Direction 3

3.8 Solderability test
Temperature 255±5℃
Duration 3±0.5sec

Notice: specification must be satisfied in this condition ,except S.P.L( S.P.L shall be 80dB more).

B

D

C

B

08/03/20

C

05/11/02B

A

REV.

05/07/01A

Date Note

魏奉玲

陶红仲

陶红仲

Drawn

cancel the printing
change SPL into 85dB

BESTAR ELECTRONICS INDUSTRY CO.,LTD

Date:
Drawn by:
Checked by:
Approved by:

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

6 5 4

08/03/20

魏奉玲

陶红仲

张秀琴

BMT1201H8.5-02 LF

Transducer

DRG NO: BS/TET01.004C

3 2 1

A

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BMT1201H8.5F-02 LF

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4. Packing

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G

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F

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1)100pcs/tray

2)30trays/carton

3)3000 pcs/carton in total

4)carton size 50x27x26cm

5.Notice

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5.1 The products mustn't be washed

5.2 Storage Condition

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

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:

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

Temperature: -10 to + 40 C Humidity: 15 to 85% R.H.

5.3 Expire Date on Storage
Expire date (Shelf life) of the products is six months after deliveried under the conditions of a

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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.

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, 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 character-

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istics may be reduced at quality, and/or be degraded in the solderability due to storage under
the poor condition.
(3) Please do not drop the products to avoid cracking of ceramic element.

08/03/20C
05/11/02B

A

REV.

05/07/01A

Date

魏奉玲

陶红仲

陶红仲

Drawn

BESTAR ELECTRONICS INDUSTRY CO.,LTD

cancel the printing
change SPL into 85dB

Note

Date:
Drawn by:
Checked by:
Approved by:

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

08/03/20

魏奉玲

陶红仲

张秀琴

BMT1201H8.5-02 LF

Transducer

DRG NO: BS/TET01.004C

Page:4 of 5

D

C

B

A

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345

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BMT1201H8.5F-02 LF

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6. History change record

H

version

G

No.

A

B

C

F

E

Before

Change Items

change SPL 80dB into 85dB

cancle the printing

After

Date

05/07/01

05/11/02

08/03/20

Drawn

陶红仲

陶红仲 郭 敏

魏奉玲 张秀琴

Approved

程久生

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

REV.

08/03/20C
05/11/02B
05/07/01A

Date

魏奉玲

陶红仲

陶红仲

Drawn

cancel the printing
change SPL into 85dB

Note

Date:

Drawn by:
Checked by:

Approved by:

BESTAR ELECTRONICS INDUSTRY CO.,LTD

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

08/03/20

魏奉玲

陶红仲

张秀琴

BMT1201H8.5-02 LF

Transducer

DRG NO: BS/TET01.004C

Page:5 of 5

D

C

B

A