23mm×4mm压电式无源引线蜂鸣器

 SPECIFICATIONSTypeUnit2304Rated Voltage(Square Wave)V12Operating VoltageV1-30*Rated Current(MAX)mA5*Min Sound Output at 10 cmdB80*Resonant FrequencyHz4000±500Operating Temperature℃-20～+60Storage Temperature℃-30～+70Housing MaterialABSWeightg2