Audio 30VDC/30VAC 120VDC/120VAC 20mA 60dBA 1600Hz to 2200Hz Screw Panel Mount
压电 指示灯，内部驱动 6 ~ 20mA 2kHz 60dB @ 30V，61cm 面板安装 螺纹端子，快速连接片 - 0.250"（6.35mm）
得捷:
BUZZER PIEZO 42.85MM PNL MNT
艾睿:
Audio Indicator Piezo 30VDC/30VAC 120VDC/120VAC 20mA 60dBA 1600Hz to 2200Hz Panel Mount Screw Bulk
Allied Electronics:
SEE SC110DJR
Electro Sonic:
Audio 30VDC/30VAC 120VDC/120VAC 20mA 60dBA 1600Hz to 2200Hz Screw Panel Mount