【Murata】7NB-31R2DM-1,音频指示器及警报器 7NB-31R2DM-1
【Murata】7NB411,音频指示器及警报器 Audio Indicators/ Alerts
7NB-41-1,BUZZER ELEMENT STD 800HZ 41MM
【Ohmite】7NCF8R0E,Wirewound Resistors AXIOHM SERIES 7W 1% NON INDUCTIVE 8 OHM
【SIEMENS】7NG3092-8AV,
【SIEMENS】7NG3092-8AW,
【SIEMENS】7NG3092-8KA,
【SIEMENS】7NG3092-8KM,