The textbook "Resistors, Capacitors, Inductors and Their Materials" offers a comprehensive analysis of the fundamental components of electrical engineering. It covers the various types of resistors and their materials, the properties of capacitors and insulating materials, as well as the functioning of inductors and transformers. The appendix addresses the basics of reliability analysis and synthesis, which is significant for professionals in engineering and IT. The clear structure of the book allows readers to focus on individual topics and efficiently grasp the relevant information. With a wide range of literature references and a detailed examination of materials, this book is a valuable resource for students and professionals in the field of electrical engineering.