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博 士 達
SPECIFICATION
FOR ELECTRO-MAGNET TRANSDUCER
06TOTAL PAGE
www.be-star.com
RoHS
Customer
Date
Page
Approval:
1.Characteristics
2.Dimension
3.Reliability Test
4.Packing
5. Notice
6. History change record
09 Sep. 09
01 of 06
Model Name
Product No.Customer P/N
Issue No.
Issue Date
BMT1201H7.5SF-01 LF
010504
BS/TET01.005B
09/09/09
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: +86 519 88222567 Fax: +86 519 88222551
E-mail:wu@be-star.com http://www.be-star.com
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BMT1201H7.5SF-01 LF
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1. Characteristics
1.1Technical terms
G
No. Item Specifications
Operating Voltage 1...2Vo-p
1
Rated Voltage 1.5Vo-p
2
Coil Resistance 6.5±1 Ω
3
F
E
4
** Coil Resistance 16 Ω
5
* Sound Output at 10cm ≥80dB
6
Resonant Frequency 2048Hz
7
* Rated Current ≤70mA
8
Operating Temperature -25...+70°C
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G
F
E
9
Storage Temperature -30...+85°C
10
Weight 2g
* Value applying rated voltage ( 2048Hz, 1/2duty,square wave)
D
D
** Value applying (2048Hz, sine wave,measuring current 60 μA)
and shall not be used in whole or in part without its written content
1.2 Test method:
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
C
B
Standard text Fixture
1.2.1.Recommended Circuit
the following are examples of externally driven circuits.
red
Square
signal
generator
1.0K
black
8050
Ec+
buzzer
1.2.2.Standard text Fixture
No reaction in space with in 400mm in all direction
Sounder
100mm
400mm
C
B
B 魏奉玲
09/09/09
A 王善梅
A
REV.
04/03/24
Date
6
Drawn
Date:
RohS
Note
5
Drawn by:
Checked by:
Approved by:
4 3
09/09/09
魏奉玲
徐 波
陶红仲
www.be-star.com wu@be-star.com
BMT1201H7.5SF-01 LF
Transducer
DRG NO: BS/TET01.005B
2 1
Page:02 of 06
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Page 3
BMT1201H7.5SF-01 LF
H
2.Dimension
博 士 達
123456
H
G
(-Pin)
F
6.4
6.5
(+Pin)
G
F
4.5
E
6
4.2
7.5
0.5
E
5±0.5
D
2-Ø0.6±0.05
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
B 魏奉玲
09/09/09
A
A
REV.
04/03/24
王善梅
DrawnDate
Ø12
C
13.8
Telerance:±0.3 Unit:mm
Date:
RohS
Note
56
Drawn by:
Checked by:
Approved by:
4
09/09/09
魏奉玲
徐 波
陶红仲
www.be-star.com wu@be-star.com
BMT1201H7.5SF-01 LF
Transducer
DRG NO: BS/TET01.005B
Page:03 of 06
123
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BMT1201H7.5SF-01 LF
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3.Reliability Test
3.1 high temperature test
Temperature +85 ℃
G
F
E
Duration 96hrs
3.2 low temperature test
Temperature -30 ℃
Duration 96hrs
3.3 life test in normal temperature
Power supply rated voltage
Duration 1000hrs
3.4 temperature cycle test
Cycles 5
-30℃
30min
+20℃ +20℃
15min
+85℃
30min
15min
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3 2 1
H
G
F
E
3.5 Humidity cycle test
Cycles 5
D
25℃90-95% RH
10h
and shall not be used in whole or in part without its written content
65℃ 90-95% RH
1h
12h
D
1h
all these tests above should be measured after leaving normal temperature for 4hrs.
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
3.6 Drop test
C
Height 70cm(to 10mm thickness woodenboard)
Direction x,y,z(twice for each direction, total 6 times)
C
3.7 Solderability test
Soldering temperature 255±5℃
Direction 3±0.5S
Notice: All specification must be satisfied in this condition except SPL.SPL shall
B
be 82dB or more
B
A
B
A
REV.
09/09/09
04/03/24
Date
6
魏奉玲
王善梅
Drawn
Date:
RohS
Note
5
Drawn by:
Checked by:
Approved by:
4
09/09/09
魏奉玲
徐 波
陶红仲
www.be-star.com wu@be-star.com
3
BMT1201H7.5SF-01 LF
Transducer
DRG NO: BS/TET01.005B
Page:04 of 06
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Page 5
6
5
BMT1201H7.5SF-01 LF
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4.Packing
博 士 達
1234
H
G
G
1)100pcs/tray
F
2)30trays/carton
F
3)3000 pcs/carton in total
4)carton size 50x27x26cm
E
E
5. Notice
5.1 The products mustn't be washed
5.2 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.
D
Please store the product set the following conditions:
Temperature: -10 to + 40°C Humidity: 15 to 85% R.H.
5.3 Expire Date on Storage
and shall not be used in whole or in part without its written content
Expire date (Shelf life) of the products is six months after delivery under the
conditions of a sealed and an unopened package. Please use the products within
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
six months after delivery.
If you store the products for a long time (more than six months), use carefully
C
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
A
B
A
REV.
09/09/09
04/03/24
Date
6
魏奉玲
王善梅
Drawn
Date:
RohS
Note
5
Drawn by:
Checked by:
Approved by:
4 3
09/09/09
魏奉玲
徐 波
陶红仲
www.be-star.com wu@be-star.com
BMT1201H7.5SF-01 LF
Transducer
DRG NO: BS/TET01.005B
2
Page:05 of 06
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Page 6
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BMT1201H7.5SF-01 LF
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6. History change record
4 3
博 士 達
2
1
H
G
F
D
version
No.
A
B
Before
Change Items
After
RohS
Date
04/03/24
09/09/09
王善梅
魏奉玲
ApprovedDrawn
G
查红红
陶红仲
F
EE
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
B 魏奉玲
09/09/09
A 王善梅
A
REV.
04/03/24
Date Drawn
C
B
Date:
RohS
Note
Drawn by:
Checked by:
Approved by:
56
09/09/09
魏奉玲
徐 波
陶红仲
www.be-star.com wu@be-star.com
34
BMT1201H7.5SF-01 LF
Transducer
DRG NO: BS/TET01.005B
Page:06 of 06
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