Audio Piezo Ind 10-48V Pnl Mnt
压电 指示灯，内部驱动 4 ~ 19mA 4.5kHz 68dB @ 10V，61cm 面板安装 螺纹端子，快速连接片 - 0.250"（6.35mm）
得捷:
BUZZER PIEZO 42.98MM PNL MNT
艾睿:
Audio Indicator Piezo 10VDC/10VAC 48VDC/48VAC 19mA 68dBA 4000Hz to 5000Hz Panel Mount Quick Connect Bulk
Allied Electronics:
22-07122-00 MIL