AFT18P350-8SR3 AFT18P380-24S AFT18P380-24SR6 AFT18S230-12NR3 AFT18S230S AFT18S230S 其他被动元件 AFT18S230SR3 AFT18S230SR5 AFT18S230SR5 陶瓷电容 AFT18S260W31GS