20820BUFAIDCPREAIDCPRG¥10去看看元器件之家发布了BUK211450SYTS118 BUF20820AIDCPRE4 BUF20820AIDCPRG4贴片AIDCPRE208208017¥2.20去看看芯片二极管三极管电容电阻集成电路发布了贴片直插BS616LV8017ECP70,BUF20820AIDCPRE4,8