压电式蜂鸣器，蜂鸣器，压电式发生器

产品描述

1. 

   

   Rated Voltage	3VDC
   Operating Voltage	2~5VDC
   Max.Rated Current	25mA at 3VDC
   Min.Sound Pressure Level	80dB at3VDC/10cm
   Resonant Frequency	3.4±0.5KHz
   Operating Temperature	-20~+80°C
   Tone Nature	Continuous

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