產(chǎn)品名稱：SMD-090945F
類型： 電磁式蜂鳴器
驅(qū)動(dòng)方式： 無源蜂鳴器
工藝： 貼片蜂鳴器 
尺寸范圍：5-10mm

A. SCOPE 
This specification applies magnetic buzzer, SMD-090945F-03030R18
B. SPECIFICATION

No.	Item	Unit	Specification	Condition
1	Oscillation Frequency	Hz	3000	Vo-p=1/2duty , square wave
2	Operating Voltage	Vo-p	2 ~ 4
3	Rated Voltage	Vo-p	3
4	Current Consumption	mA	MAX. 80	at Rated Voltage
5	Sound Pressure Level	dB	MIN. 87	at 10cm at Rated Voltage
6	Coil Resistance	Ω	18±3
7	Operating Temperature	℃	-40 ~ +85
8	Storage Temperature	℃	-40 ~ +85
9	Dimension	mm	9.0 x 9.0 x H4.5	See appearance drawing
10	Weight (MAX)	gram	0.6
11	Housing Material		LCP( Black )
12	Leading Pin		Plated Brass(Sn)	See appearance drawing
13	Environmental   Protection Regulation		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. Typical Frequency Response Curve