LM340S-5.0 LM340S-5.0 MOS(场效应管) LM340S-5.0(04+) LM340S-5.0. LM340S-5.0/NOPB LM340S-5.0/NOPB . LM340S-5.0/TR LM340S-5.0P LM340S-5.0P+ LM340S5/7805