AVX Corporation, a leading manufacturer of passive components and interconnect solutions, has expanded its partnership with Modelithics, the leading RF/Microwave simulation model provider, with the addition of 45 new Modelithics substrate scalable equivalent circuit models. Designed to speed up design decisions and circuit level optimizations when used in combination with the industry's leading electronic design automation tools, including Keysight Advanced Design System , Keysight Genesys, and NI AWR Microwave Office, highly accurate, substrate scalable models are now available for AVX thin film couplers, multilayer organic diplexers, and a variety of RF/Microwave capacitors and inductors.