SC series Continuous Medium Tone; 1900Hz; 60-75dB; panel mount; 10-48V Buzzer
压电 指示灯，内部驱动 5 ~ 20mA 2.9kHz 71dB @ 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 48VDC 20mA 71dBA 2400Hz to 3400Hz Thread Mount Screw Bulk
Allied Electronics:
22-07109-00 MIL
MASTER:
Buzzers Indicator - Internally Driven Piezo 5 ~ 20mA 2.9kHz 71dB @ 10V - 61cm Panel Mount Screw Terminal - Quick Connect Tab - 0.250" 6.35mm.