TPN19008QM POWER MOSFET Toshiba TPN19008QM Power MOSFET is an 8 pin Silicon N channel MOSFET ideal for applications such as converters, regulators and motor drivers. This U-MOSX-H generation MOSFET comes with a dimension of 3.3mm x 3.3mm x 0.85mm. The TPN19008QMLQ Power MOSFET comes with high-speed switching capability.