WC24SOIC7550¥40去看看宇豪正品原装店发布了贴插TDA7550R-CR6L-150-28L-SOIC-24WC128V-24WC32VI2SK2185正品TDA7550R2SC3632¥30去看看永恒电子元器件发布了正品2SK2185 2SK2185 2SC3632 2SB688 BUH517 TDA7550R丝印TDA7541BTDA7541WTDA7550R¥3.20去看看能良科技发布了丝印TDA7555C TDA7550R TDA7550P TDA7541W TDA7541BTDA2652STV7779PST529CSIVN10K¥40去看看宇豪正品原装店发布了新TDA2652 1086-33 7550A-1 SIVN10K STV7779 PST529C R