Page 1
SPECIFICATION
FOR ELECTRO-MAGNET TRANSDUCER
Customer
Date
Page
TOTAL PAGE
24 Apr.12
01 of 07
07
www.be-star.com
Model Name
Product No.Customer P/N
Issue No.
Issue Date
RoHS
BMT0903XH5.5 LF
020410
BS/TET01.707A
12/04/24
Approval:
1.Characteristics
2.Dimension
3.Reliability Test
4.Packing
5.Notice
6.History change record
Drawn by
常琦
Checked by
魏奉玲
Approved by
张秀琴
Customer approved
BESTAR ELECTRONICS INDUSTRY CO.,LTD
No.199 HuangHe West Road,New district,ChangZhou,JiangSu Province,P.R.China
Tel: +86 519 88222567 Fax: +86 519 88222551
E-mail:wu@be-star.com http://www.be-star.com
Page 2
6
BMT0903XH5.5 LF
H
1.Characteristics
5
4
3
12
H
G
F F
E
No. Item Specifications
1
Operating Voltage(VDC) 2...4V
2
Rated Voltage(VDC) 3V
3
* Sound Output at 10cm ≥ 80dB
4
* Resonant Frequency 2800±300Hz
5
* Rated Current ≤30mA
6
Operating Temperature -25...+70℃
7
Storage Temperature -20...+80℃
8
Weight ≤1g
* Value applying rated voltage ( DC)
D
1.2 Standard test Fixture :
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
★Standard Output Measurenent Setup
Buzzer(Sound Transducer)
C
100mm
400mm
B
B
No reaction in space with in 400mm in all direction
Date:
Drawn by:
12/04/24
A
A
Rev.
Date Drawn
6
常琦
Checked by:
Note
5
Approved by:
www.be-star.com wu@be-star.com
4
12/04/24
常琦
魏奉玲
张秀琴
3
BMT0903XH5.5 LF
Transducer
DRG NO:BS/TET01.707A
2
A
Page:2 of 7
1
Page 3
6
BMT0903XH5.5 LF
H
2.Dimension
5
4
3
12
H
G
F F
5.5±0.3
1.5
E
D
2-Ø0.6±0.1
Ø9.2
5±0.2
Tolerance:±0.2mm
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:
Drawn by:
A
A
Rev.
12/04/24
Date Drawn
6
常琦
Checked by:
Note
5
Approved by:
www.be-star.com wu@be-star.com
4
12/04/24
常琦
魏奉玲
张秀琴
3
BMT0903XH5.5 LF
Transducer
DRG NO:BS/TET01.707A
Page:3 of 7
12
C
B
A
Page 4
6
5
4
3
12
BMT0903XH5.5 LF
H
3. Reliability test
3.1 life test in normal temperature
Power supply rated voltage
G
F F
E
Duration 96hrs
3.2 High temperature storage test
Temperature +80℃
Duration 96hrs
3.3 High temperature life test
Power supply rated voltage
Temperature +70℃
Duration 24hrs
3.4 Low temperature storage test
Temperature -20℃
Duration 96hrs
3.5 Low temperature life test
Power supply rated voltage
Temperature -25℃
Duration 24hrs
H
G
E
D
and shall not be used in whole or in part without its written content
3.6 Humidity test
40±3℃ 90-95% RH
D
48h 6h
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
C
3.7 Temperature cycle test
Cycles 100
-25℃
+70℃
C
30min 30min
all these tests above should be measured after leaving normal temperature for 2hrs.
B
Date:
Drawn by:
A
A
Rev.
12/04/24
Date Drawn
6
常琦
Checked by:
Note
5
Approved by:
www.be-star.com wu@be-star.com
4
12/04/24
常琦
魏奉玲
张秀琴
3
BMT0903XH5.5 LF
Transducer
DRG NO:BS/TET01.707A
Page:4 of 7
12
B
A
Page 5
6
BMT0903XH5.5 LF
H
3.8 Drop test
Height 120cm(to 5mm thickness woodenboard)
Direction 6
5
4
3
12
H
G
3.9 Vibration Test
Vibration Speed 10-55Hz
Amplitude 1.5mm
Duration x,y&z directions 30min
3.10 Solderability test
Soldering temperature 255±5℃
F F
Direction 3±0.5S
Notice: All specification must be satisfied in this condition except SPL.SPL shall
be 75dB or more
E
D
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:
Drawn by:
A
A
Rev.
12/04/24
Date Drawn
6
常琦
Checked by:
Note
5
Approved by:
www.be-star.com wu@be-star.com
4
12/04/24
常琦
魏奉玲
张秀琴
3
BMT0903XH5.5 LF
Transducer
DRG NO:BS/TET01.707A
Page:5 of 7
12
C
B
A
Page 6
6
BMT0903XH5.5 LF
H
4. Packing
5
4
3
2 1
H
G
G
FF
Remark:
1)100pcs/tray
2)30tray/carton
E
3)3000 pcs/carton in total
E
4)carton size 50x27x26cm
5.Notice
D
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
suchplaces 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 sealed and
C
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.
B
(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
Date:
Drawn by:
12/04/24
A
A
Rev.
6
常琦
DrawnDate
Checked by:
Note
5
Approved by:
www.be-star.com wu@be-star.com
4
12/04/24
常琦
魏奉玲
张秀琴
3
BMT0903XH5.5 LF
Transducer
DRG NO:BS/TET01.707A
2 1
A
Page:6 of 7
Page 7
6
5
BMT0903XH5.5 LF
H
6. History change record
4
3
12
H
version
No.
G
F F
E
D
A
Before
Change Items
After
Date
12/04/24
常琦
ApprovedDrawn
张秀琴
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:
Drawn by:
12/04/24
A
A
Rev.
Date Drawn
6
常琦
Checked by:
Note
5
Approved by:
www.be-star.com wu@be-star.com
4
12/04/24
常琦
魏奉玲
张秀琴
3
BMT0903XH5.5 LF
Transducer
DRG NO:BS/TET01.707A
Page:7 of 7
12
C
B
A
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