压电蜂鸣器和音频指示器 FAST PULSE, 30-120V 1900HZ, CUL APPRVD
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
贸泽:
压电蜂鸣器和音频指示器 FAST PULSE, 30-120V 1900HZ, CUL APPRVD
艾睿:
Audio Indicator Piezo 30VDC/30VAC 120VDC/120VAC 20mA 60dBA 1400Hz to 2400Hz Panel Mount Screw Bulk
Allied Electronics:
Fast Pulse Audio Dev, 30-12V AC/DC, PNLMNT
Electro Sonic:
Audio 30VDC/30VAC 120VDC/120VAC 20mA 60dBA 1400Hz to 2400Hz Screw Panel Mount