R-TECH 350902 Miniature Piezo Transducer 12.5mm

R-TECH Miniature Piezo Transducers with Flying Leads - R-TECH 350902, This 12.5mm piezo transducer is able to generate a range of audible tones and frequencies when energised by a 12V peak square wave.Provided it is mounted rigidly, outputs of up to 75dB can be achieved. R-TECH 350902 Miniature Piezo Transducer 12.5mm

Price: 1.54 from Rapid Online Rapid Electronics Ltd.