2SJ438 电源IC 2SJ438(AISIN,A,Q) 2SJ438(AISIN,Q,M) 2SJ438(CANO,A,Q) 2SJ438(CANO,Q,M) 2SJ438,MDKQ(J 2SJ438,MDKQ(M 2SJ438,Q(J 2SJ438,Q(M 2SJ438-VB