2SB624(BV3) 2SB624(BV4) 2SB624(M)-T1B 2SB624(M)-T2B 2SB624(M)-TIB 2SB624/BV1 2SB624/BV1 电源IC 2SB624/BV3 2SB624/BV3/BV4/BV5 2SB624/BV4