2SB1243-R 2SB1243-R，Q 2SB1243-R/2SB1243TV2R 2SB1243-TL-P 2SB1243-TL-R/Q/P 2SB1243TV2N 2SB1243TV2P 2SB1243TV2Q 2SB1243TV2R 2SB1243TVR