音频指示器及警报器 buzzer, 37.8 mm round, 23.5 mm deep, P, 3.6 kHz, 9 V, panel mount, driving circuit
压电 指示灯，内部驱动 9mA 3.6kHz 82dB @ 12V，30cm 面板安装 螺纹端子，快速连接片 - 0.189"（4.80mm）
立创商城:
CPE-757
得捷:
BUZZER PIEZO 12V 37.8MM PNL MNT
贸泽:
音频指示器及警报器 buzzer, 37.8 mm round, 23.5 mm deep, P, 3.6 kHz, 9 V, panel mount, driving circuit
艾睿:
Audio Indicator Piezo 6VDC 28VDC 9mA 9VDC 82dB 3100Hz to 4100Hz Panel Mount Screw Box