AUDIO PIEZO IND 16-28V PNL MNT
压电 指示灯，内部驱动 40mA 2.9kHz 65dB @ 16V，61cm 面板安装 端接块
得捷:
BUZZER PIEZO 42.85MM PNL MNT
艾睿:
Audio Indicator Piezo 16VDC 28VDC 40mA 65dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk
Allied Electronics:
SCE028SD3CK1B ROHS
富昌:
16 to 28 VDC 2900 ± 500 Hz