Beyond the power variant, it sometimes seems as though we rarely encounter a discrete transistor these days, such has been the advance of integrated electronics. But they have a rich history ...
Conzatti, F. Pala, M.G. Esseni, D. Bano, E. and Selmi, L. 2011. A simulation study of strain induced performance enhancements in InAs nanowire Tunnel-FETs. p. 5.2.1.