类型:压电式蜂鸣器 型号:12 频率范围:4000&plu*n;500（KHz） 性噪比:80（db） 种类:蜂鸣器(片)
| Items | Units | Specifications | Conditions | | | 1 | Rated Voltage | Vp-p | 12 | (square wave) | | 2 | Operating Voltage | Vp-p | 1~30 | | | 3 | Rated Current | mA(Max) | 3 | | | 4 | Sound Output At 10cm | dBA(Min) | 80 | At 12Vp-p ,4KHz / 10cm | | 5 | Resonant Frequency | Hz | 4000&plu*n;500 | | | 6 | Capacitance | pF | 8000&plu*n;30% | At 120Hz | | 7 | Operating Temp. | ℃ | -20 ~ +70 | | | 8 | Storage Temp. | ℃ | -40 ~ +85 | | | 9 | Weight | g | 2 | |
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