The STB140NF55 STP140NF55 N-CHANNEL 55V - 0.0065 Ω - 80A TO-220/D²PAK STripFET™ II POWER MOSFET from STMicroelectronis features extremely low on-resistance (RDS(on)) and is suitable for a wide range of applications, including motor control, high current, switching applications and automotive environments.