| 
				 Type  | 
			
				 HCM0901X  | 
			
				 HCM0903X  | 
			
				 HCM0905X  | 
		
| 
				 Rated Voltage (V)  | 
			
				 1.5  | 
			
				 3  | 
			
				 5  | 
		
| 
				 Operating Voltage (V)  | 
			
				 1.3~2  | 
			
				 2~5  | 
			
				 3~7  | 
		
| 
				 Rated Current (MA)  | 
			
				 < 25  | 
			
				 < 20  | 
			
				 < 20  | 
		
| 
				 Sound Output at10cm(dB)  | 
			
				 > 75  | 
			
				 > 75  | 
			
				 > 80  | 
		
| 
				 Resonant Frequency (Hz)  | 
			
				 2500 ±300  | 
			
				 2500 ±300  | 
			
				 2500 ±300  | 
		
| 
				 Response Time (ms)  | 
			
				 < 50  | 
			
				 < 50  | 
			
				 < 50  | 
		
| 
				 Operating Temperature (C)  | 
			
				 -10~+50  | 
			
				 -25~+70  | 
			
				 -25~+70  | 
		
| 
				 Storage Temperature (C)  | 
			
				 -15~+60  | 
			
				 -30~+80  | 
			
				 -30~+80  | 
		
| 
				 Weight (g)  | 
			
				 1  | 
			
				 1  | 
			
				 1  | 
		
	Value applying at rated voltage 
DIMENSIONS     Unit:mm     Tolerance:±0.5
 
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