全新原装现货 ch340g sn74cbtlv3257dr 封装sop16 多路器开关芯片
ch340g/ch340c/ch340e/ch340t/ch340b 贴片 usb转串口芯片 全新
zave usb转串口ch340g/c/e/t/n贴片ic芯片
原装正品 ch340b 封装sop-16 usb转串口芯片 内置晶振 一站式配单
一站式配单原装正品 ch340g 封装sop-16 usb小体积 内置晶振芯片
全新原装现货 ch340g sn74cbtlv3257dr 封装sop16 多路器开关芯片
ch340g/ch340c/ch340e/ch340t/ch340b 贴片 usb转串口芯片 全新
zave usb转串口ch340g/c/e/t/n贴片ic芯片
原装正品 ch340b 封装sop-16 usb转串口芯片 内置晶振 一站式配单
一站式配单原装正品 ch340g 封装sop-16 usb小体积 内置晶振芯片