压电蜂鸣器和音频指示器 SLOW PULSE 28-48VDC, 3KHZ, SOFT
压电 指示灯，内部驱动 40mA 2.9kHz 65dB @ 28V，61cm 面板安装 端接块
得捷:
BUZZER PIEZO 42.85MM PNL MNT
贸泽:
压电蜂鸣器和音频指示器 SLOW PULSE 28-48VDC, 3KHZ, SOFT
艾睿:
Audio Indicator Piezo 28VDC 48VDC 40mA 65dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk
Allied Electronics:
SCE048SD3SP1B ROHS