关注微信公众号查券更方便
贴片直插SN74LS541MEL SN74LS393MEL SN74LS42ML1G 4
贴片直插SN74LS641MEL SN74LS541ML1 SN74LS541MR1 4
贴片直插SN74LS377NG/SN74LS38ML1/SN74LS541MG/SN74LS42MEL/4
