2SK3934(Q,M)MOSFET N-CH 500V 15A TO220SIS|TOSHIBA|Lead free|RoHS Compliant TK15A50D(STA4,Q,M) TK15A60U(Q,M) 2SK3911(Q)MOSFET N-CH 600V 20A TO-3PN|TOSHIBA|Lead free|RoHS Compliant TK20J60U(F)