STB140NF75 STP140NF75 STB140NF75-1 is a N-CHANNEL 75V - 0.0065Ω -120A D²PAK/I²PAK/TO-220 STripFET™ II POWER MOSFET. It features low on-resistance, rugged avalanche characteristics, and remarkable manufacturing reproducibility. It is suitable for high current, high switching speed, solenoid and relay drivers, as well as automotive 42V battery drivers.