2SB649-C-T6C-K 2SB649G-B-AA3-R 2SB649G-B-AB3-R 2SB649G-C-AA3-R 2SB649G-C-AB3-R 2SB649G-D-AA3-R 2SB649G-D-AB3-R 2SB649L 2SB649L-C 2SB65