商铺名称：江阴市福鼎通讯器材有限公司
联系人：陈红波（先生）
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联系地址：江苏省江阴市月城镇月冯路29号
邮编：204404
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福鼎4020贴片蜂鸣器
A. SCOPE
This specification applies magnetic buzzer, SMD-040020H-03040
B. SPECIFICATION
| No. |
Item |
Unit |
Specification |
Condition |
|
1 |
Oscillation Frequency |
Hz |
4000 |
Vo-p=1/2duty , square wave |
|
2 |
Operating Voltage |
Vo-p |
2 ~ 4 |
|
|
3 |
Rated Voltage |
Vo-p |
3 |
|
|
4 |
Current Consumption |
mA |
MAX. 90 |
at Rated Voltage |
|
5 |
Sound Pressure Level |
dB |
MIN. 70 |
at 10 cm at Rated Voltage |
|
6 |
Coil Resistance |
Ω |
17±3 |
|
|
7 |
Operating Temperature |
℃ |
-20 ~ +70 |
|
|
8 |
Storage Temperature |
℃ |
-30 ~ +80 |
|
|
9 |
Dimension |
mm |
4.0 x 4.0 x H2.0 |
See appearance drawing |
|
10 |
Weight (MAX) |
gram |
0.1 |
|
|
11 |
Housing Material |
|
LCP( Black ) |
|
|
12 |
Leading Pin |
|
Tin Plated Brass(Sn) |
See appearance drawing |
|
13 |
Environmental |
|
RoHS |
|
C. APPEARANCE DRAWING
Tol : ± 0.3 Unit: mm
D.TESTING METHOD
Standard Measurement conditions
Temperature:25±2℃ Humidity:45-65%
Acoustic Characteristics:
The oscillation frequency, current consumption and sound pressure are measured by the measuring instruments shown below
In the measuring test, buzzer is placed as follows:
E. Typical Frequency Response Curve
