G5NB1AE5DC G5NB1A-E5DC G5NB-1A--E-5V G5NB-1A-E-5V G5NB-1A-E-5V 其他被动元件 G5NB-1A-E-5VC G5NB-1A-E-5VDC G5NB-1A-E-5VDC 5A G5NB-1A-E-5VDC 5V G5NB-1A-E-5VDC 通信继电器