Manufacturer: Soberton Inc  •  RoHS/pb-free: RoHS   Pb-free  •  Series: WST  •  Frequency: 3.1kHz  •  Voltage - Rated: 1.5VDC  •  Current Rating: 25mA  •  Type: Magnetic Transducer, Self Drive (External Drive with Feedback)  •  Size / Dimension: Circular - 12mm Dia x 7.5mm H  •  Mounting Type: Through Hole  •  Sound Pressure Level: 75dB  •  Operating Mode: Continuous  •  Voltage Range: 1.4 ~ 2VDC  •  Termination: Solder Pins/Posts  •  Other PartNo: 433-1079