Kepo piezo elements for audio transducers kepo ft 35g 32b1 476 the keno piezo element 200 o 32 05khz is a 35mm diameter piezo element with a 26000nf30nf capacitance that can be used for a small audio transducer such as a buzzer kepo ft 35g 32b1 476 piezo element 200 ohm 32 05 khz 35mm