BUZZER PIEZO 23MM RADIAL
压电 指示灯，内部驱动 50mA 4kHz 75dB @ 20V，30cm 通孔 PC 引脚
得捷: BUZZER PIEZO 23X23MM TH
艾睿: Audio Indicator Piezo 16VDC 28VDC 50mA 75dBA 2100Hz to 5900Hz Through Hole Pin Bulk
Mallory