ST-025BT Datasheet, PDF (2/7 Pages) Soberton Inc. – Magnetic Transducer

A:SCOPE
2/7
This specification applies magnetic buzzer, ST-025BT
B:SPECIFICATION
■ Test condition: TEMP=+25±2 ℃
NO.
Item
Unit
1
Rated Voltage
Vo-p
Related humidity=45~60±5% Air pressure:860-1060mbar
Specification
Condition
3.6
Vo-p
2 ^{Operating Voltage} Vo-p
2.5 - 4.5
0V
3
Mean Current
mA
Max. 100
Applying rated voltage & rated frequency,
square wave 1/2 duty
Coil Resistance
4
Ω
Sound Output
5
dBA
16 ± 3
85/10cm
Distance at 10cm(A-weight free air), Applying
rated voltage & rated frequency, square
wave,1/2duty
Rated Frequency
6
Hz
7 ^{Operating Temp}
℃
8
Storage Temp
℃
9
Dimension
mm
10
Weight
gram
Material
11
12
Terminal
Environmental
13
Protection
Regulation
3100
-30-+85
-40-+85
7.5 × 7.5 × 2.5
See attached drawing.
0.8
LCP (Black)
SMD type
See attached drawing
RoHS
14
Storage life
month
3 months preservation at room temp(25±3℃),
3
Humidity40%