2SB1123T-TC 2SB1123-T-TD 2SB1123T-TD 2SB1123-T-TD(BF) 2SB1123T-TD-E 2SB1123T-TD-E 贴片三极管 2SB1123T-TD-EX 2SB1123U-TD-E 2SB1124 2SB1124S