Design Kits EPCOS Design Kits feature a variety of components conveniently packaged and individually labeled for easy access. These kits are designed to help engineers select the ideal components for their applications. A short description introduces each sample kit, and the View Product link is accompanied by PDFs that provide an inside view of the kit as well as the components. EPCOS Design Kits are available for Film Capacitors, Power Line Chokes, High-Current Chokes, Protection Devices, Sensors, Chip Inductors, Power Inductors Transformers, and Transponder Coils.