SMD Piezo Buzzers 11.0×9.0x1.7mm Posted on January 31, 2013 by Electronic Products Part # OBO – 11241SB, 75dB min. at 4.1KHz / 5Vp-p – Square Ware / 10cm, Dim:11.0×9.0x1.7mm Advertisement Learn more about Americor Electronics