irc503 transistor of datasheet pdf IRC503Manufacturer : International Rectifier Description : Power MOSFET(Vdss=100V, Rds(on)=0.16ohm, Id=14A) IRC503Manufacturer : IRF[International Rectifier] Description : Power MOSFET(Vdss=100V, Rds(on)=0.16ohm, Id=14A)