Same Sky (formerly CUI Devices) CST-934AS 电磁蜂鸣器，9毫米圆形，4毫米深，M，2.73千赫，3伏，弹簧触点，无驱动电路

Height: 4 mm

Diameter: 9 mm

Frequency: 2.73 kHz

Dimensions: 9 mm x 4 mm

Height - in: 0.157 in

Height - mm: 4 mm

Unit Weight: 1 g

Current Rating: 80 mA

Mounting Style: Board Mount

Voltage Rating: 3 V

Termination Style: Spring Contact

Sound Pressure Level: 95 dBA