BUZZER PIEZO 12V 54.3MM CHASSIS
压电 指示灯，内部驱动 12 V 200mA 2.5kHz 105dB @ 12V，100cm 支架安装 导线引线
得捷:
BUZZER PIEZO 12V 54.3MM BRACKET
艾睿:
Audio Indicator Piezo 5VDC 15VDC 200mA 12VDC 105dBA 2150Hz to 3850Hz Flange Mount Wire Lead Bulk
Allied Electronics:
SIREN - HI-LO ROHS