| 
				 Type  | 
			
				 HCM0901B  | 
			
				 HCM0903B  | 
			
				 HCM0905B  | 
		
| 
				 Rated Voltage (V)  | 
			
				 1.5  | 
			
				 3.5  | 
			
				 5  | 
		
| 
				 Operating Voltage (V)  | 
			
				 1~2  | 
			
				 2~4  | 
			
				 4~6  | 
		
| 
				 △Rated Current (MA)  | 
			
				 ≤80  | 
			
				 ≤60  | 
			
				 ≤60  | 
		
| 
				 Coil Resistance (Ω)  | 
			
				 5.5±1.0  | 
			
				 25 ±3  | 
			
				 45 ±4  | 
		
| 
				 △Sound Output at10cm(dB)  | 
			
				 ≥85  | 
			
				 ≥85  | 
			
				 ≥85  | 
		
| 
				 Resonant Frequency (Hz)  | 
			
				 2731  | 
			
				 2731  | 
			
				 2731  | 
		
| 
				 Operating Temperature (C)  | 
			
				 -20~+70  | 
			
				 -20~+70  | 
			
				 -20~+70  | 
		
| 
				 Storage Temperature (C)  | 
			
				 -30~+85  | 
			
				 -30~+85  | 
			
				 -30~+85  | 
		
| 
				 Weight (g)  | 
			
				 1.0  | 
			
				 1.0  | 
			
				 1.0  | 
		
	
Value applying rated voltage (2731Hz,1/2duty,square wave)
	
DIMENSIONS Unit:mm Tolerance:±0.5
	
	
 
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