SMD Piezo Buzzers 12.0×12.0x5.0mm Posted on January 31, 2013 by Electronic Products Part # OBO – 12241SA, 78dB min. at 4.1KHz / 9Vp-p – Square Ware / 10cm, Dim: 12.0×12.0x5.0mm Advertisement Learn more about Americor Electronics