31mm Piezo Element, Piezo Diaphragm, Telephone Ringer - FT-31T-1.7BE

RESONANT FREQUENCY(kHz) 1700+/-300MAIN CAPACITANCE(nF) 60.0+/-30%FEEDBACK CAPACITANCE(Nf) ----RESONANT IMPETANCE 500Ω MAX.INSULATION IMPETANCE 100 MΩ MIN.INPUT VOLTAGE 30Vp-p MAX.OPERATING TEMPERATU ...

Audible Alarm, Piezo Buzzer 43mm Pulse Tone - LS-43290G-P083A1-PN1

RATED VOLTAGE 12.0 VdcOPERATING VOLTAGE RANGE 3.0 TO 18.0 VdcSOUND PRESSURE LEVEL(dBA) 90 at 30CMRATED CURRENT MAX.(mA) 20RESONANT FREQUENCY(Hz) 2900± 500TONE NATURE Normal PulseOPERATING TEMPERATUR ...

Receiver and Speaker - 08