Audio Transducer Piezo 3VDC 28VDC 7mA 12VDC 72dBA 2700Hz to 3700Hz Pin Through Hole
压电式（带反馈） 传感器，外部驱动 12 V 7mA 3.2kHz 72dB @ 12V，30cm 通孔 PC 引脚
得捷:
BUZZER PIEZO 12V 24X10MM TH
艾睿:
Audio Transducer Piezo 3VDC 28VDC 7mA 12VDC 72dB 2700Hz to 3700Hz Through Hole Pin