Vo-p

0V

A:SCOPE

2/7

B:SPECIFICATION

■ Test condition: TEMP=+25±2 ℃ Related humidity=45~60±5% Air pressure:860-1060mbar

NO.

Item

Unit

Specification

Condition

This specification applies magnetic buzzer, ST-025BT

1

Rated Voltage

Vo-p

3.6

2

Operating Voltage

Vo-p

2.5 - 4.5

3

Mean Current

mA

Max. 100

Applying rated voltage & rated frequency,

square wave 1/2 duty

4

Coil Resistance

Ω

16 ± 3

5

Sound Output

dBA

85/10cm

Distance at 10cm(A-weight free air), Applying

rated voltage & rated frequency, square

wave,1/2duty

6

Rated Frequency

Hz

3100

7

Operating Temp

℃

-30-+85

8

Storage Temp

℃

-40-+85

9

Dimension

mm

7.5 × 7.5 × 2.5

See attached drawing.

10

Weight

gram

0.8

11

Material

LCP (Black)

12

Terminal

SMD type

See attached drawing

13

Environmental

Protection

Regulation

RoHS

14

Storage life

month

3

3 months preservation at room temp(25±3℃),

Humidity40%