Integrated passive components are crucial for compact, reliable, and performance-stable electronics, especially in RF circuits, IoT modules, high-frequency filters, and modern industrial applications. Deatron offers a specialised portfolio of high-quality baluns, RF filters, matching components, impedance networks, and other integrated passive solutions from leading manufacturers. In this FAQ, we address key questions regarding selection, application areas, and technical properties, and demonstrate how Deatron supports developers and purchasers with design-in support, alternative suggestions, and sample procurement.