福鼎SMD55025貼片蜂鳴器廠家貨源
A. SCOPE
This specification applies magnetic buzzer, SMD-055025H-03031R10
B. SPECIFICATION
| No. | Item | Unit | Specification | Condition |
1 | Oscillation Frequency | Hz | 3100 | Vo-p=1/2duty , square wave |
2 | Operating Voltage | Vo-p | 2 .5~ 4.5 | |
3 | Rated Voltage | Vo-p | 3 | |
4 | Current Consumption | mA | MAX. 120 | at Rated Voltage |
5 | Sound Pressure Level | dB | MIN. 85 | at 5cm at Rated Voltage |
6 | Coil Resistance | Ω | 10±1.5 | |
7 | Operating Temperature | ℃ | -40 ~ +85 | |
8 | Storage Temperature | ℃ | -40 ~ +85 | |
9 | Dimension | mm | 5.5 x 5.5 x H2.5 | See appearance drawing |
10 | Weight (MAX) | gram | 0.8 | |
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:
