INTEGRATED SEMICONDUCTOR CIRCUITS, ELECTRICAL CONVERTERS, [ ELECTRONIC SENSORS, OPTO-ELECTRONIC SENSORS, ] POWER FILTERS, POWER AMPLIFIERS, TRANSISTORS, POWER TRANSISTORS, RECTIFIERS, SEMICONDUCTOR DIODES, SWITCHING DIODES, RECTIFYING DIODES [, AND LIGHT EMITTING DIODES, CONTROL RELAYS OVERLOAD RELAYS AND TIMING RELAYS ]