Manufacturer: Mallory Sonalert Products Inc  •  RoHS/pb-free: RoHS   Pb-free  •  Series: Sonalert®  •  Frequency: 4kHz  •  Voltage - Rated: 3Vp-p  •  Current Rating: 5mA  •  Type: Piezo Transducer, External Drive  •  Size / Dimension: Square - 16mm L x 16mm W x 2.6mm H  •  Mounting Type: Surface Mount  •  Sound Pressure Level: 75dB  •  Capacitance @ Frequency: 16000pF @ 120Hz  •  Voltage Range: 1 ~ 25Vp-p  •  Termination: Solder Pads  •  Other PartNo: Q4216490, T0737927