SC616PU-1R

Alarm 6-16VDC Constant/Fast Pulse 2900Hz 68-80dB Screw Terminal

压电 蜂鸣器 指示灯，内部驱动 30mA 2.9kHz 68dB @ 6V，61cm 面板安装 螺纹端子，快速连接片 - 0.250"（6.35mm）

得捷:
BUZZER PIEZO 42.85MM PNL MNT

艾睿:
Audio Indicator Piezo 6VDC 16VDC 30mA 78dBA 2400Hz to 3400Hz Thread Mount Screw Bulk

Allied Electronics:
ALARM 6-16VDC CONSTANT/FAST PULSE 2900HZ 68-80DB SCREW TERMINAL