2SB1308-P 2SB1308-P-TP 2SB1308-P-TP-HF 2SB1308-Q 2SB1308-Q 电源IC 2SB1308-Q-TP 2SB1308-Q-TP-HF 2SB1308-R 2SB1308-R T100R 2SB1308-R-TP