Audio Piezo 3VDC 28VDC 7mA 12VDC 85dBA 2300Hz to 3300Hz Wire Lead Flange Mount Box
压电 指示灯，内部驱动 7mA 2.8kHz 85dB @ 12V，30cm 面板安装，法兰 导线引线
得捷:
BUZZER PIEZO 12V 41.8MM FLANGE
艾睿:
41.8 mm, 3 to 28 V, 85 dB, 2.8 kHz, Panel Mount with Wire Leads, Driving Circuit, Piezo Audio Indicator Buzzer