品牌:金峰 型号:SFM-27型 种类:蜂鸣器(片) 驱动方式:压电式(晶体式) 是否有源:有源 材质:ABS PPO ROHS 规格尺寸:30*15（mm） 声道数:单声道
SFM-27型 |
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| FREQUENCY R*PONSE 
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| SPECIFICATIONS |
| T*e | Unit | SFM-27 | | Rated Voltage(Square Wave) | V | 6 | 12 | 24 | | Operating Voltage | V | 4-8 | 8-15 | 3-28 | | *Rated Current(MAX) | mA | 20 | 15 | 20 | | *Min Sound Output at 10 cm | dB | 85 | 88 | 90 | | *Resonant Frequency | Hz | 3400&plu*n;500 | 3300&plu*n;500 | 3100&plu*n;500 | | Operating Temperature | ℃ | -20～+80 | | Weight | g | 8 |
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