

Name : FSB-7542F
Type : Electromagnetic Buzzer
Drive Mode : Active Buzzer
Technology : Pin Buzzer
Size : 5-10mm
A. SCOPE 
This specification applies magnetic buzzer, FSB-7542F
B. SPECIFICATION
| No. | Item  | Unit  | Specification  | Condition  | 
1  | Oscillation Frequency  | KHz  | 3.1 ± 0.4  | |
2  | Operating Voltage  | VDC  | 4 ~7  | |
3  | Rated Voltage | VDC  | 5  | |
4  | Current Consumption  | mA  | MAX. 30  | at Rated Voltage  | 
5  | Sound Pressure Level  | dB  | MIN. 80  | at 10cm at Rated Voltage  | 
6  | Tone/Pulse Rate  | Constant  | ||
7  | Operating Temperature  | ℃  | -20 ~ +70  | |
8  | Storage Temperature  | ℃  | -30 ~ +80  | |
9  | Dimension  | mm  | Φ7.5 x H4.2  | See appearance drawing  | 
10  | Weight (MAX)  | gram  | 1.0  | |
11  | Housing Material  | PPO( Black )  | ||
12  | Leading Pin  | Tin Plated Brass(Sn)  | See appearance drawing  | |
13  | Environmental    | RoHS  | 
 
C. APPEARANCE DRAWING  
 
Tol : ± 0.5      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. VOLTAGE / CURRENT / SOUND PRESSURE CHARACTERISTICS
F. RELIABILITY TEST
NO.  | ITEM  | TEST CONDITION AND REQUIREMENT  | 
1  | High Temperature  | After being placed in a chamber with 80  | 
2  | Low Temperature  | After being Placed in a chamber with -30  | 
3  | Humidity Test  | After being Placed in a chamber with 90-95% R.H. at 40  | 
4  | Temperature Cycle  | The part shall be subjected to 5 cycles. One cycle shall be consist of:    | 
5  | Drop Test  | Drop on a hard wood board of 4cm thick, any directions ,6 times, at the height of 75cm .  | 
6  | Vibration Test  | After being applied vibration of amplitude of 1.5mm with 10 to 55 Hz band of vibration frequency to each of 3 perpendicular directions for 2 hours .  | 
7  | Solderability  | Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +300  | 
8  | Terminal Strength  | The force of 9.8N(1.0kg) is applied to each terminal in axial direction for 10 seconds.  | 
TEST CONDITION. 
Standard Test Condition              :      a) Temperature : +5 ~ +35℃  b) Humidity : 45-85%        c) Pressure : 860-1060mbar 
Judgment Test Condition             :      a) Temperature : +25 ± 2℃    b) Humidity : 60-70%        c) Pressure : 860-1060mbar  
 
G. PACKING STANDARD

Linkman:Tracy Wu
Mobile:15722819198
Tel:0755-83253369
Fax:0755-83253369
Email:fsdzfmq@163.com