Electrical and electronic components, namely, electrical and electronic connectors, electrical cabling panels, electric and electronic circuits; power transformer for amplification; voltage converters being electric power converters; voltage regulators; semiconductor devices; semiconductor components, particularly discrete and integrated semiconductor devices; transistors; diodes; thyristors; power semiconductor modules; power semiconductor modules with power semiconductor components; power semiconductor modules with pressure device for electrical contacting of substrates, connecting elements being electric connections and power semiconductor devices; power semiconductor modules with pressure devices for thermal bonding of substrates, connecting elements being electric connections and power semiconductor devices; electric power converter units with power semiconductor modules; electrical and electronic components being piezoelectric switches, protection relays, electric contactors and electric power converter systems built from and comprised of electric converter units.