正品1NA129U1NA128P1NA111A￥1.40去看看元器件之家发布了正品1NF/2KV 1nF/25V 1NA129U 1NA128P 1NA111A放大器INA111AP1NA111AP仪表￥42.60去看看华航数码专营店发布了INA111AP INA111A 1NA111AP DIP8 高速FET输入仪表放大器 直插
