The document describes the features and characteristics of ST's STB12NK80Z, STP12NK80Z, and STW12NK80Z N-channel 800V - 0.65Ω - 10.5A - TO220-D²PAK-TO247 Zener-Protected SuperMESH™ MOSFET. The products have extremely high dv/dt capability, improved ESD capability, 100% avalanche tested, minimized gate charge, very low intrinsic capacitances, and very good manufacturing repeatability.