2SB1219A-R(TX) 2SB1219A-R/DR 2SB1219A-R/Q(TX) 2SB1219ARL 2SB1219ARLMR 2SB1219A-S 2SB1219A-S(TX) 2SB1219ASL 2SB1219AWL 2SB1219AWL(TX)