CPE 系列 Ø24 x 5 mm 83 db 最小值 3 ~ 28 V DC 4.5 KHz 压电 音频 传感器
压电式（带反馈） 传感器，外部驱动 13mA 4.5kHz 83dB @ 12V，30cm 面板安装，法兰 导线引线
得捷:
BUZZER PIEZO 12V 24MM FLANGE
立创商城:
CPE-121
艾睿:
24 mm, 3 to 28 V, 83 dB, 4.5 kHz, Panel Mount with Wire Leads, Piezo Audio Transducer Buzzer
Verical:
Audio Transducer Piezo 3VDC 28VDC 13mA 12VDC 83dB 4000Hz to 5000Hz Through Hole Wire Lead