irc634 transistor of datasheet pdf IRC634Manufacturer : International Rectifier Description : Power MOSFET(Vdss=250V, Rds(on)=0.45ohm, Id=8.1A) IRC634Manufacturer : IRF[International Rectifier] Description : Power MOSFET(Vdss=250V, Rds(on)=0.45ohm, Id=8.1A)