The use of power semiconductor devices in electrical engineering devices is reflected. The current state of development and production of power semiconductor devices, trends in the development of the element base of power electrical engineering are considered. Shows the process activities that affect WBS parameters. Prospects in reaching limit parameters of power semiconductor devices are considered. The manual is intended for students of higher professional education studying in the direction of training "Electric Power and Electrical Engineering," as well as students studying the discipline "Electrical Engineering and Electronics." It may be of interest to those working in the field of semiconductor converter technology, power electronics.