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
Protection Regulation
|
|
RoHS
|
|
C. APPEARANCE DRAWING
Tol : ± 0.3 Unit: mm
Ｄ. Typical Frequency Response Curve
Ｅ. PACKING STANDARD
