2SP0115T2B0-12 2SP0115T2B0-12 电源IC 2SP0115T2B0-17 2SP0115T2B0-2MBI225VN-120-50 2SP0115T2B0-2MBI300VN-120-50 2SP0115T2B0-2MBI300VN-170-50 2SP0115T2B0-2MBI450U4N-170-50 2SP0115T2B0-2MBI450VN-120-50 2SP0115T2B0-2MBI450VN-170-50 2SP0115T2B0-2MBI550VN-170-50