
Acoustics & Sensor
SPECIFICATION
FOR ELECTRO-MAGNET DYNAMIC MICROPHONE
Customer
Date
Page
01 Jul.09
01 of 06
06TOTAL PAGE
www.be-star.com
Model Name
Product No.Customer P/N
BCM6022OPBC-38
195008
RoHS
Issue No. BS/TEM01.126A
Issue Date
09.07.01
Approval:
1.Characteristics
2.Drawing
3.Measurement Circuit
4.Reliability Test
5.Packing
6.History change record
Drawn by
王焕焕
Checked by
Approved by
徐 波 王 平
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
www.bestargroups.com info@be-star.com http://www.bestargroups.com

Acoustics & Sensor
6 5 34 2
H
BCM6022OPBC-38
1. Characteristics
Test Condition (Vs=3V RL=2.2K Ta=20 R.H.=65%)℃
G
F
No. Item Specifications
1 Sensitivity - 38±2dB (0dB=1V/Pa,1kHz)
2 Impedance 2.2 ±30%kohm
3 Frequency Response 50-16kHz
4 Current Consumption 0.5mA Max.
5 Directional Omnidirectional
6 S/N Ratio more than 60dB
7 Standard Operating Voltage 3V
1
H
G
F
8 Operating Voltage 1V~10V
E
9 Sensitivity reduction within -3dB at 1.5V
10 Storage Temperature -40 °C to +90° C
11 Operating Temperature -40 °C to +85°C
D
★Frequency Resonse Curve
and shall not be used in whole or in part without its written content
Relative Response (dB)
09.07.01
Date
6
+20
+10
0
-10
-20
-30
20 50
王焕焕
Drawn
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
B
A
A
Rev.
E
D
+8
-8
CC
B
+3
-6
-3
+3
0
-3
20k5k 10k500 2k1k100 200
Frequency(Hz)
Date:
Drawn by:
Checked by:
Note
5
Approved by:
www.be-star.com wu@be-star.com
4
09.07.01
王焕焕
徐 波
王 平
BCM6022OPBC-38
Microphone
DRG NO:
3
BS/TEM01.126A
2
Page:2 of 6
1
A

Acoustics & Sensor
6 5 4 3 2
H
BCM6022OPBC-38
★Angular Response
G
F
2. Drawing
1
H
180
180
210
G
220
270
300
330
0
0
F
150
120
90
60
30
E
filter
2.8±0.32.2±0.2
1.0±0.1
E
terminal 1
+
D
Ø6.0±0.2
C
3. Measurement Circuit:
FET impedance
Terminal 1
1.9±0.2
2-Ø0.45±0.05
Converter
C1
ECM unit
B
10pFC233pF
RL=2.2K
Terminal 2
0.9
C:1 F
-
Output
Power Supply 3.0V
-
Earth
+
D
Terminal 2
C
B
Shield Case
Date:
Drawn by:
A
Rev.
09.07.01
Date
A
6
王焕焕
Drawn
Checked by:
Note
5
Approved by:
www.be-star.com wu@be-star.com
4
09.07.01
王焕焕
徐 波
王 平
3 2
BCM6022OPBC-38
Microphone
DRG NO:
BS/TEM01.126A
A
Page:3 of 6
1

Acoustics & Sensor
6 5 4 3 2
H
1
H
BCM6022OPBC-38
4.Reliability Test
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.
4.1 High temp.life test
Temperature +85 °C
Duration 100hrs
4.2 Low temp.life test
Temperature -40 °C
Duration 100hrs
4.3 Temperature cycle test
Cycles 10
+85 C
1hrs
1hrs
-40 C
1hrs
+20 C+20 C
1hrs
4.4 Humidity Test
Temperature +40 °C
Relative Humidity 90~95%
Duration 48hrs
Tests above should be measured after leaving normal temperature for 6hrs.
4.5 Vibration Test
Vibration Frequency 10~55Hz
Amplitude 1.52mm/min
Direction 3(x.y&z)
Duration 2hrs each cycle(total 6 hrs)
4.6 Drop test
Height 1m
(Dropped to 20mm thick hardwood board without packing.)
Direction 3
4.7 Soldering Heat Shock .
Temperature 260 ±5°c
Duration 2 ±0.5 sec
4.8 Terminal Mechanical Strength
Strength 1kg
Duration 1 min
G
F
E
D
CC
Notice:
All specifications must be satisfied in this condition.
B
A
A
Rev.
Sensitivity :Allowable deviation within ±3dB from initial sensitivity.
09.07.01
王焕焕
徐 波
王 平
3 2
09.07.01
Date
6
王焕焕
Drawn
5 4
Note
Date:
Drawn by:
Checked by:
Approved by:
www.be-star.com wu@be-star.com
BCM6022OPBC-38
Microphone
DRG NO:
BS/TEM01.126A
B
A
Page:4 of 6
1

Acoustics & Sensor
6 5 4 3 2
H
BCM6022OPBC-38
5. Packing
G
100±1
F
1
H
G
100±1
1000pcs
F
105±0.5
54±0.5
E
D
C
E
215±0.5
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.
290
C
240
240
Remark:
100 pcs per tray
B
10 trays for unit, 10 units per carton
Total 10000pcs per carton
Size: 24×24×29(cm)
B
Date:
Drawn by:
A
Rev.
09.07.01
Date
A
6
王焕焕
Drawn
Note
5
Checked by:
Approved by:
www.be-star.com wu@be-star.com
4
09.07.01
王焕焕
徐 波
王 平
3
BCM6022OPBC-38
Microphone
DRG NO:
BS/TEM01.126A
2
A
Page:5 of 6
1

Acoustics & Sensor
6
BCM6022OPBC-38
H
5 4
6. History change record
version
No.
G
F
A
Before
Change Items
After
Date
09.07.01
3
Drawn
王焕焕
2 1
Approved
王 平
H
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.
B
E
D
CC
B
Date:
Drawn by:
A
Rev.
09.07.01
Date
A
6
王焕焕
Drawn
Checked by:
Note
5
Approved by:
www.be-star.com wu@be-star.com
4
09.07.01
王焕焕
徐 波
王 平
3 2
BCM6022OPBC-38
Microphone
DRG NO:
BS/TEM01.126A
A
Page:6 of 6
1