Formal coursework, training, experience and/or knowledge in the design, analysis, and/or construction of electrical parts and circuits, semiconductor physics and/or operation of devices such as hybrids, integrated circuits, transistors, diodes and capacitors. Work on electrical components such as resistors, capacitors, diodes, integrated circuits (ICs), hybrids, crystals, crystal oscillators, filters, fuses, heaters, magnetics, microcircuits, relays, semiconductors, thermistors.