SNJ54121J SN54121J SN74121J 进口双列直插脚DIP陶瓷封装

新SN74121J SN74120J SN74128J SN74123J SN74125J R

SDT452AP,SN74121J,G3STP4NA40,TCH20A15,TLE30191,ULQ2803A

贴插OPA602AU-OPA604AP-INA152EA-7203L50J-SN74121D-N