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SPECIFICATION
07
www.be-star.com
RoHS
Customer
Customer P/N
Date
Page
Approval：
1.Characteristics
2.Drawing
3.Bill of Material
4.Reliability Test
5.Packing
6.History Change Record
26 Sep. 2011
01 of 07
Model Name
Product No.
Issue No.
Issue Date
BMS28-12B-08H05CW100J LF
131501
BS/TES01.1107A
2011/09/26
Drawn by
Checked by
Approved by
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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BMS28-12B-08H05CW100J LF
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1. Characteristic
1.1 Electrical and Mechanical Characteristics
No. Item Specification
G
F
E
1. Impedance(at 1kHz) 8±15%Ω
2. Rated Input Power 0.8W
3. Maximum Input Power 1.2W
4. Resonance Frequency 650±20%Hz
5. Frequency Response F0～20KHz
6. Output SPL ≥90dB at 600Hz (0.1m/0.1w)
7. Distortion ≤5%(at 1KHz/0.1W)
8. Buzzes & Rattles Must be normal at sine wave 2.53V
9. Magnet Nd-Fe-B Ø9.7X1.5mm
10. Operating Temperature -20...+80°C
G
F
E
11. Storage Temperature -20...+80°C
1.2 Typical Frequency Response Curve (only for reference)
A: Frequency Response Magn 0 dB re 20.00μPa/V 1/12Oct
D
and shall not be used in whole or in part without its written content
110
D
100
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
C
90
C
80
Sound Pressure Level (dB)
B
70
100
1K 2K
5K 10K
20K
B
Frequency (Hz)
Date:
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Note
Checked by:
Approved by:
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5 4 3
Rev.
2011/09/26A
Date
A
6
2011/09/26
王文邦
王 平
李红元
BMS28-12B-08H05CW100J LF
Speaker
DRG NO: BS/TES01.1107
Page:2 of 7
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BMS28-12B-08H05CW100J LF
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2.Drawing
Unit:mm
Tolerance:±0.2
G
G
Red(White)
F
Black
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
▲
diaphragm
JST
RECEPTABLE CONECTOR:GHR-02V-S
CRIMP COPNNECTOR:SSHL-002T-P02
E
D
C
B
WIRE:UL1571 AWG28# RED/BLACK 100mm
Date:
Drawn by:
A
Rev.
2011/09/26
Date Drawn
A
王文邦
Note
Checked by:
Approved by:
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6 5 4
2011/09/26
王文邦
王 平
李红元
BMS28-12B-08H05CW100J LF
Speaker
DRG NO: BS/TES01.1107
3 2 1
A
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BMS28-12B-08H05CW100J LF
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3.Bill of Material
G
11
6
G
10
7
F
4
F
1
9
3
5
8
E
11 Nearby Pressure ABS
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
10 Housing ABS&Cu
9 Terminal/PCB Epoxy
8 Cover PC
7 Rubber Circle Cu
6 Diaphragm PEI
5 Voice coil Cu
4 Mesh CLOTH
3 Washer SPCC
2 Magnet Nd-Fe-B
1 Frame SPCC
No Parts Name Material
2
E
D
C
B
Date:
Drawn by:
A
A
2011/09/26
Rev.
Date Drawn
6 5 4
王文邦
Note
Checked by:
Approved by:
www.be-star.com wu@be-star.com
2011/09/26
王文邦
王 平
李红元
3 2 1
BMS28-12B-08H05CW100J LF
Speaker
DRG NO: BS/TES01.1107
A
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BMS28-12B-08H05CW100J LF
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4.Reliability Test
4.1 Load Test
Power 0.8W
Duration 96hrs
G
F
E
4.2 High Temperature Test
Temperature +80±3℃
Duration 96hrs
4.3 Low Temperature Test
Temperature -20±3 ℃
Duration 96hrs
4.4 Damp Heat
Temperature 40±3℃
Relative Humidity 90%-95%RH
Duration 96hrs
4.5 Temperature Cycle Test
Cycle 5
+80
+80
G
F
E
-20
2hrs2hrs
D
4.6 Drop Test
-20
2hrs
-20
2hrs
D
Height 100cm (in state of packing)
Times 10 (Drop onto hardwood board)
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
All these tests above should be measured after leaving normal temperature for 1hrs.
C
sensitivity difference at 1kHz shall be within ±3dB from initial value after test.
B
B
Date:
Drawn by:
A
Rev.
2011/09/26
Date
A
6
王文邦
Drawn
Checked by:
Note
5
Approved by:
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4
2011/09/26
王文邦
王 平
李红元
3
BMS28-12B-08H05CW100J LF
Speaker
DRG NO: BS/TES01.1107
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BMS28-12B-08H05CW100J LF
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5.Packing
G
287.5±1
368±1
F
E
G
F
E
600pcs 600pcs
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
D
C
Remark:
40 pcs per tray
B
15 trays for unit, 2 units per carton
Total 1200pcs per carton
Size: 59.5×39×21(cm)
B
Date:
Drawn by:
A
A
2011/09/26
Rev.
6 5
王文邦
DrawnDate
Note
Checked by:
Approved by:
www.be-star.com wu@be-star.com
4 3 2
2011/09/26
王文邦
王 平
李红元
BMS28-12B-08H05CW100J LF
Speaker
DRG NO: BS/TES01.1107
Page:6 of 7
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BMS28-12B-08H05CW100J LF
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6.History Change Record
version
No.
G
F
Before
Change Items
After
Date
08/09/15
Drawn
王文邦
Approved
李红元
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
E
D
C
B
Date:
Drawn by:
A
Rev.
2011/09/26
Date
A
6 5
王文邦
Drawn
Note
Checked by:
Approved by:
4 3 2
2011/09/26
王文邦
王 平
李红元
BMS28-12B-08H05CW100J LF
Speaker
DRG NO: BS/TES01.1107
Page:7 of 7
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