IRFML8244 IRFML8244GTRPBF IRFML8244GTRPBF-VB IRFML8244PBF IRFML8244TR IRFML8244TR(UMW) IRFML8244TRPBF IRFML8244TRPBF MOS(场效应管) IRFML8244TRPBF-HXY IRFML8244TRPBF-VB